Zeng Yunxiang and Song Jiaxuan discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 24.04 LTS. (CVE-2023-49501) Zeng Yunxiang and Song Jiaxuan discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.10 and Ubuntu 24.04 LTS. (CVE-2023-49502) Zhang Ling and Zeng Yunxiang discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10 and Ubuntu 24.04 LTS. (CVE-2023-49528) Zeng Yunxiang discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10 and Ubuntu 24.04 LTS. (CVE-2023-50007) Zeng Yunxiang and Song Jiaxuan discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10 and Ubuntu 24.04 LTS. (CVE-2023-50008) Zeng Yunxiang discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10. (CVE-2023-50009) Zeng Yunxiang discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 23.10. (CVE-2023-50010) Zeng Yunxiang and Li Zeyuan discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10 and Ubuntu 24.04 LTS. (CVE-2023-51793) Zeng Yunxiang discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 23.10. (CVE-2023-51794, CVE-2023-51798) Zeng Yunxiang discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10. (CVE-2023-51795, CVE-2023-51796) It was discovered that discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.10 and Ubuntu 24.04 LTS. (CVE-2024-31578) It was discovered that discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10 and Ubuntu 24.04 LTS. (CVE-2024-31582) It was discovered that discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 23.10. (CVE-2024-31585)

Zeng Yunxiang discovered that FFmpeg incorrectly handled memory during video encoding. An attacker could possibly use this issue to perform a denial of service, or execute arbitrary code.

Josef Gajdusek discovered that the LibVNCServer client library incorrectly handled certain FrameBufferUpdate messages. If a user were tricked into connecting to a malicious server, an attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2016-9941, CVE-2016-9942)

Wei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service.

It was discovered that the PHP Fileinfo component incorrectly handled certain magic files. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2015-8865) Hans Jerry Illikainen discovered that the PHP Zip extension incorrectly handled certain malformed Zip archives. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-3078) It was discovered that PHP incorrectly handled invalid indexes in the SplDoublyLinkedList class. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-3132) It was discovered that the PHP rawurlencode() function incorrectly handled large strings. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4070) It was discovered that the PHP phpsnmperror() function incorrectly handled string formatting. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4071) It was discovered that the PHP phar extension incorrectly handled certain filenames in archives. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4072) It was discovered that the PHP mbstrcut() function incorrectly handled string formatting. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-4073) It was discovered that the PHP phar extension incorrectly handled certain archive files. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2016-4342, CVE-2016-4343) It was discovered that the PHP bcpowmod() function incorrectly handled memory. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-4537, CVE-2016-4538) It was discovered that the PHP XML parser incorrectly handled certain malformed XML data. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-4539) It was discovered that certain PHP grapheme functions incorrectly handled negative offsets. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2016-4540, CVE-2016-4541) It was discovered that PHP incorrectly handled certain malformed EXIF tags. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2016-4542, CVE-2016-4543, CVE-2016-4544)

It was discovered that Ruby DL::dlopen incorrectly handled opening libraries. An attacker could possibly use this issue to open libraries with tainted names. This issue only applied to Ubuntu 14.04 LTS. (CVE-2009-5147) Tony Arcieri, Jeffrey Walton, and Steffan Ullrich discovered that the Ruby OpenSSL extension incorrectly handled hostname wildcard matching. This issue only applied to Ubuntu 14.04 LTS. (CVE-2015-1855) Christian Hofstaedtler discovered that Ruby Fiddle::Handle incorrectly handled certain crafted strings. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS. (CVE-2015-7551) It was discovered that Ruby Net::SMTP incorrectly handled CRLF sequences. A remote attacker could possibly use this issue to inject SMTP commands. (CVE-2015-9096) Marcin Noga discovered that Ruby incorrectly handled certain arguments in a TclTkIp class method. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-2337) It was discovered that Ruby Fiddle::Function.new incorrectly handled certain arguments. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-2339) It was discovered that Ruby incorrectly handled the initialization vector (IV) in GCM mode. An attacker could possibly use this issue to bypass encryption. (CVE-2016-7798)

Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal, and Yuval Yarom discovered that Libgcrypt was susceptible to an attack via side channels. A local attacker could use this attack to recover RSA private keys. (CVE-2017-7526) It was discovered that Libgcrypt was susceptible to an attack via side channels. A local attacker could use this attack to possibly recover EdDSA private keys. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04. (CVE-2017-9526)

Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointer arithmetic. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS as other releases were fixed in a previous security update. (CVE-2016-2177) It was discovered that OpenSSL did not properly handle Montgomery multiplication, resulting in incorrect results leading to transient failures. This issue only applied to Ubuntu 16.04 LTS, and Ubuntu 16.10. (CVE-2016-7055) It was discovered that OpenSSL did not properly use constant-time operations when performing ECDSA P-256 signing. A remote attacker could possibly use this issue to perform a timing attack and recover private ECDSA keys. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-7056) Shi Lei discovered that OpenSSL incorrectly handled certain warning alerts. A remote attacker could possibly use this issue to cause OpenSSL to stop responding, resulting in a denial of service. (CVE-2016-8610) Robert Święcki discovered that OpenSSL incorrectly handled certain truncated packets. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2017-3731) It was discovered that OpenSSL incorrectly performed the x8664 Montgomery squaring procedure. While unlikely, a remote attacker could possibly use this issue to recover private keys. This issue only applied to Ubuntu 16.04 LTS, and Ubuntu 16.10. (CVE-2017-3732)

Atte Kettunen discovered an out-of-bounds read when handling certain Content Security Policy (CSP) directives in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash. (CVE-2016-2827) Christoph Diehl, Christian Holler, Gary Kwong, Nathan Froyd, Honza Bambas, Seth Fowler, Michael Smith, Andrew McCreight, Dan Minor, Byron Campen, Jon Coppeard, Steve Fink, Tyson Smith, and Carsten Book discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5256, CVE-2016-5257) Atte Kettunen discovered a heap buffer overflow during text conversion with some unicode characters. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5270) Abhishek Arya discovered an out of bounds read during the processing of text runs in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash. (CVE-2016-5271) Abhishek Arya discovered a bad cast when processing layout with input elements in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5272) A crash was discovered in accessibility. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to execute arbitrary code. (CVE-2016-5273) A use-after-free was discovered in web animations during restyling. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5274) A buffer overflow was discovered when working with empty filters during canvas rendering. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5275) A use-after-free was discovered in accessibility. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5276) A use-after-free was discovered in web animations when destroying a timeline. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5277) A buffer overflow was discovered when encoding image frames to images in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5278) Rafael Gieschke discovered that the full path of files is available to web pages after a drag and drop operation. An attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5279) Mei Wang discovered a use-after-free when changing text direction. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5280) Brian Carpenter discovered a use-after-free when manipulating SVG content in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5281) Richard Newman discovered that favicons can be loaded through protocols not in the allowlist, such as jar:. (CVE-2016-5282) Gavin Sharp discovered a timing attack vulnerability involving document resizes and link colours. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5283) An issue was discovered with the preloaded Public Key Pinning (HPKP). If a machine-in-the-middle (MITM) attacker was able to obtain a fraudulent certificate for a Mozilla site, they could exploit this by providing malicious addon updates. (CVE-2016-5284)

Martin Thomson discovered that NSS incorrectly generated handshake hashes. A remote attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code.

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing-like context, an attacker could potentially exploit these to read uninitialized memory, bypass phishing and malware protection, conduct cross-site scripting (XSS) attacks, cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-7793, CVE-2017-7810, CVE-2017-7814, CVE-2017-7818, CVE-2017-7819, CVE-2017-7823, CVE-2017-7824) Martin Thomson discovered that NSS incorrectly generated handshake hashes. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-7805)

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, obtain sensitive information, bypass phishing and malware protection, spoof the origin in modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-7793, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812, CVE-2017-7813, CVE-2017-7814, CVE-2017-7815, CVE-2017-7818, CVE-2017-7819, CVE-2017-7820, CVE-2017-7822, CVE-2017-7823, CVE-2017-7824) Martin Thomson discovered that NSS incorrectly generated handshake hashes. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-7805) Multiple security issues were discovered in WebExtensions. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit these to download and open non-executable files without interaction, or obtain elevated privileges. (CVE-2017-7816, CVE-2017-7821)

It was discovered that OpenSSL incorrectly parsed the IPAddressFamily extension in X.509 certificates, resulting in an erroneous display of the certificate in text format. (CVE-2017-3735) It was discovered that OpenSSL incorrectly performed the x8664 Montgomery squaring procedure. While unlikely, a remote attacker could possibly use this issue to recover private keys. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04. (CVE-2017-3736)

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program.

It was discovered that the PHP opcache created keys for files it cached based on their filepath. A local attacker could possibly use this issue in a shared hosting environment to obtain sensitive information. This issue only affected Ubuntu 14.04 LTS. (CVE-2015-8994) It was discovered that the PHP URL parser incorrectly handled certain URI components. A remote attacker could possibly use this issue to bypass hostname-specific URL checks. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-10397) It was discovered that PHP incorrectly handled certain boolean parameters when unserializing data. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2017-11143) Sebastian Li, Wei Lei, Xie Xiaofei, and Liu Yang discovered that PHP incorrectly handled the OpenSSL sealing function. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2017-11144) Wei Lei and Liu Yang discovered that the PHP date extension incorrectly handled memory. A remote attacker could possibly use this issue to disclose sensitive information from the server. (CVE-2017-11145) It was discovered that PHP incorrectly handled certain PHAR archives. A remote attacker could use this issue to cause PHP to crash or disclose sensitive information. This issue only affected Ubuntu 14.04 LTS. (CVE-2017-11147) It was discovered that PHP incorrectly handled locale length. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2017-11362) Wei Lei and Liu Yang discovered that PHP incorrectly handled parsing ini files. An attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2017-11628) It was discovered that PHP mbstring incorrectly handled certain regular expressions. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-9224, CVE-2017-9226, CVE-2017-9227, CVE-2017-9228, CVE-2017-9229)

Catalin Dumitru discovered that URLs of resources loaded after a navigation start could be leaked to the following page via the Resource Timing API. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5250) Christoph Diehl, Andrew McCreight, Dan Minor, Byron Campen, Jon Coppeard, Steve Fink, Tyson Smith, and Carsten Book discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5257) Atte Kettunen discovered a heap buffer overflow during text conversion with some unicode characters. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5270) Abhishek Arya discovered a bad cast when processing layout with input elements in some circumstances. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5272) A use-after-free was discovered in web animations during restyling. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5274) A use-after-free was discovered in accessibility. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5276) A use-after-free was discovered in web animations when destroying a timeline. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5277) A buffer overflow was discovered when encoding image frames to images in some circumstances. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5278) Mei Wang discovered a use-after-free when changing text direction. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5280) Brian Carpenter discovered a use-after-free when manipulating SVG content in some circumstances. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5281) An issue was discovered with the preloaded Public Key Pinning (HPKP). If a machine-in-the-middle (MITM) attacker was able to obtain a fraudulent certificate for a Mozilla site, they could exploit this by providing malicious addon updates. (CVE-2016-5284)

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, obtain sensitive information, spoof the addressbar contents or other UI elements, escape the sandbox to read local files, conduct cross-site scripting (XSS) attacks, cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-5429, CVE-2017-5430, CVE-2017-5432, CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437, CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447, CVE-2017-5448, CVE-2017-5449, CVE-2017-5451, CVE-2017-5453, CVE-2017-5454, CVE-2017-5455, CVE-2017-5456, CVE-2017-5458, CVE-2017-5459, CVE-2017-5460, CVE-2017-5461, CVE-2017-5464, CVE-2017-5465, CVE-2017-5466, CVE-2017-5467, CVE-2017-5468, CVE-2017-5469) A flaw was discovered in the DRBG number generation in NSS. If an attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be exploited to view sensitive information. (CVE-2017-5462)

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to read uninitialized memory, cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-5429, CVE-2017-5430, CVE-2017-5436, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447, CVE-2017-5461, CVE-2017-5467) Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to spoof the addressbar contents, conduct cross-site scripting (XSS) attacks, cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-5432, CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5437, CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442, CVE-2017-5449, CVE-2017-5451, CVE-2017-5454, CVE-2017-5459, CVE-2017-5460, CVE-2017-5464, CVE-2017-5465, CVE-2017-5466, CVE-2017-5469, CVE-2016-10195, CVE-2016-10196, CVE-2016-10197) A flaw was discovered in the DRBG number generation in NSS. If an attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be exploited to view sensitive information. (CVE-2017-5462)

It was discovered that Expat unexpectedly called srand in certain circumstances. This could reduce the security of calling applications. (CVE-2012-6702) It was discovered that Expat incorrectly handled seeding the random number generator. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-5300)

Christian Holler, Carsten Book, Gary Kwong, Jesse Ruderman, Andrew McCreight, and Phil Ringnalda discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-2836)

Dawid Golunski discovered that the postgresql-common pgctlcluster script incorrectly handled symlinks. A local attacker could possibly use this issue to escalate privileges. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-1255) It was discovered that the postgresql-common helper scripts incorrectly handled symlinks. A local attacker could possibly use this issue to escalate privileges. (CVE-2017-8806)

It was discovered that libxcursor incorrectly handled certain files. An attacker could use these issues to cause libxcursor to crash, resulting in a denial of service, or possibly execute arbitrary code.

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

Yihan Lian discovered that NTP incorrectly handled certain large request data values. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-2519) Miroslav Lichvar discovered that NTP incorrectly handled certain spoofed addresses when performing rate limiting. A remote attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. (CVE-2016-7426) Matthew Van Gundy discovered that NTP incorrectly handled certain crafted broadcast mode packets. A remote attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. (CVE-2016-7427, CVE-2016-7428) Miroslav Lichvar discovered that NTP incorrectly handled certain responses. A remote attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. (CVE-2016-7429) Sharon Goldberg and Aanchal Malhotra discovered that NTP incorrectly handled origin timestamps of zero. A remote attacker could possibly use this issue to bypass the origin timestamp protection mechanism. This issue only affected Ubuntu 16.10. (CVE-2016-7431) Brian Utterback, Sharon Goldberg and Aanchal Malhotra discovered that NTP incorrectly performed initial sync calculations. This issue only applied to Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-7433) Magnus Stubman discovered that NTP incorrectly handled certain mrulist queries. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-7434) Matthew Van Gund discovered that NTP incorrectly handled origin timestamp checks. A remote attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu Ubuntu 16.10, and Ubuntu 17.04. (CVE-2016-9042) Matthew Van Gundy discovered that NTP incorrectly handled certain control mode packets. A remote attacker could use this issue to set or unset traps. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-9310) Matthew Van Gundy discovered that NTP incorrectly handled the trap service. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-9311) It was discovered that NTP incorrectly handled memory when processing long variables. A remote authenticated user could possibly use this issue to cause NTP to crash, resulting in a denial of service. (CVE-2017-6458) It was discovered that NTP incorrectly handled memory when processing long variables. A remote authenticated user could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04. (CVE-2017-6460) It was discovered that the NTP legacy DPTS refclock driver incorrectly handled the /dev/datum device. A local attacker could possibly use this issue to cause a denial of service. (CVE-2017-6462) It was discovered that NTP incorrectly handled certain invalid settings in a :config directive. A remote authenticated user could possibly use this issue to cause NTP to crash, resulting in a denial of service. (CVE-2017-6463) It was discovered that NTP incorrectly handled certain invalid mode configuration directives. A remote authenticated user could possibly use this issue to cause NTP to crash, resulting in a denial of service. (CVE-2017-6464)

Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update causes NSS to limit use of the same symmetric key. (CVE-2016-2183) It was discovered that NSS incorrectly handled Base64 decoding. A remote attacker could use this flaw to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-5461) This update refreshes the NSS package to version 3.28.4 which includes the latest CA certificate bundle.

Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update moves those algorithms to the legacy algorithm set and causes them to be used only if no non-legacy algorithms can be negotiated. (CVE-2016-2183) It was discovered that OpenJDK accepted ECSDA signatures using non-canonical DER encoding. An attacker could use this to modify or expose sensitive data. (CVE-2016-5546) It was discovered that OpenJDK did not properly verify object identifier (OID) length when reading Distinguished Encoding Rules (DER) records, as used in x.509 certificates and elsewhere. An attacker could use this to cause a denial of service (memory consumption). (CVE-2016-5547) It was discovered that covert timing channel vulnerabilities existed in the DSA and ECDSA implementations in OpenJDK. A remote attacker could use this to expose sensitive information. (CVE-2016-5548, CVE-2016-5549) It was discovered that the URLStreamHandler class in OpenJDK did not properly parse user information from a URL. A remote attacker could use this to expose sensitive information. (CVE-2016-5552) It was discovered that the URLClassLoader class in OpenJDK did not properly check access control context when downloading class files. A remote attacker could use this to expose sensitive information. (CVE-2017-3231) It was discovered that the Remote Method Invocation (RMI) implementation in OpenJDK performed deserialization of untrusted inputs. A remote attacker could use this to execute arbitrary code. (CVE-2017-3241) It was discovered that the Java Authentication and Authorization Service (JAAS) component of OpenJDK did not properly perform user search LDAP queries. An attacker could use a specially constructed LDAP entry to expose or modify sensitive information. (CVE-2017-3252) It was discovered that the PNGImageReader class in OpenJDK did not properly handle iTXt and zTXt chunks. An attacker could use this to cause a denial of service (memory consumption). (CVE-2017-3253) It was discovered that integer overflows existed in the SocketInputStream and SocketOutputStream classes of OpenJDK. An attacker could use this to expose sensitive information. (CVE-2017-3261) It was discovered that the atomic field updaters in the java.util.concurrent.atomic package in OpenJDK did not properly restrict access to protected field members. An attacker could use this to specially craft a Java application or applet that could bypass Java sandbox restrictions. (CVE-2017-3272) It was discovered that a vulnerability existed in the class construction implementation in OpenJDK. An attacker could use this to specially craft a Java application or applet that could bypass Java sandbox restrictions. (CVE-2017-3289)

USN-3087-1 fixed vulnerabilities in OpenSSL. The fix for CVE-2016-2182 was incomplete and caused a regression when parsing certificates. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Shi Lei discovered that OpenSSL incorrectly handled the OCSP Status Request extension. A remote attacker could possibly use this issue to cause memory consumption, resulting in a denial of service. (CVE-2016-6304) Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointer arithmetic. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue has only been addressed in Ubuntu 16.04 LTS in this update. (CVE-2016-2177) César Pereida, Billy Brumley, and Yuval Yarom discovered that OpenSSL did not properly use constant-time operations when performing DSA signing. A remote attacker could possibly use this issue to perform a cache-timing attack and recover private DSA keys. (CVE-2016-2178) Quan Luo discovered that OpenSSL did not properly restrict the lifetime of queue entries in the DTLS implementation. A remote attacker could possibly use this issue to consume memory, resulting in a denial of service. (CVE-2016-2179) Shi Lei discovered that OpenSSL incorrectly handled memory in the TSOBJprintbio() function. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-2180) It was discovered that the OpenSSL incorrectly handled the DTLS anti-replay feature. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-2181) Shi Lei discovered that OpenSSL incorrectly validated division results. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-2182) Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update moves DES from the HIGH cipher list to MEDIUM. (CVE-2016-2183) Shi Lei discovered that OpenSSL incorrectly handled certain ticket lengths. A remote attacker could use this issue to cause a denial of service. (CVE-2016-6302) Shi Lei discovered that OpenSSL incorrectly handled memory in the MDC2Update() function. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-6303) Shi Lei discovered that OpenSSL incorrectly performed certain message length checks. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-6306)

Shi Lei discovered that OpenSSL incorrectly handled the OCSP Status Request extension. A remote attacker could possibly use this issue to cause memory consumption, resulting in a denial of service. (CVE-2016-6304) Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointer arithmetic. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue has only been addressed in Ubuntu 16.04 LTS in this update. (CVE-2016-2177) César Pereida, Billy Brumley, and Yuval Yarom discovered that OpenSSL did not properly use constant-time operations when performing DSA signing. A remote attacker could possibly use this issue to perform a cache-timing attack and recover private DSA keys. (CVE-2016-2178) Quan Luo discovered that OpenSSL did not properly restrict the lifetime of queue entries in the DTLS implementation. A remote attacker could possibly use this issue to consume memory, resulting in a denial of service. (CVE-2016-2179) Shi Lei discovered that OpenSSL incorrectly handled memory in the TSOBJprintbio() function. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-2180) It was discovered that the OpenSSL incorrectly handled the DTLS anti-replay feature. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-2181) Shi Lei discovered that OpenSSL incorrectly validated division results. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-2182) Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update moves DES from the HIGH cipher list to MEDIUM. (CVE-2016-2183) Shi Lei discovered that OpenSSL incorrectly handled certain ticket lengths. A remote attacker could use this issue to cause a denial of service. (CVE-2016-6302) Shi Lei discovered that OpenSSL incorrectly handled memory in the MDC2Update() function. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-6303) Shi Lei discovered that OpenSSL incorrectly performed certain message length checks. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-6306)