It was discovered that Puma incorrectly handled parsing chunked transfer encoding bodies. A remote attacker could possibly use this issue to cause Puma to consume resources, leading to a denial of service.

Joshua Rogers discovered that Squid incorrectly handled HTTP message processing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-49285) Joshua Rogers discovered that Squid incorrectly handled Helper process management. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-49286) Joshua Rogers discovered that Squid incorrectly handled HTTP request parsing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-50269)

It was discovered that libssh incorrectly handled the ProxyCommand and the ProxyJump features. A remote attacker could possibly use this issue to inject malicious code into the command of the features mentioned through the hostname parameter. (CVE-2023-6004) It was discovered that libssh incorrectly handled return codes when performing message digest operations. A remote attacker could possibly use this issue to cause libssh to crash, obtain sensitive information, or execute arbitrary code. (CVE-2023-6918)

It was discovered that GnuTLS had a timing side-channel when processing malformed ciphertexts in RSA-PSK ClientKeyExchange. A remote attacker could possibly use this issue to recover sensitive information. (CVE-2024-0553) It was discovered that GnuTLS incorrectly handled certain certificate chains with a cross-signing loop. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2024-0567)

Matthias Gerstner discovered that the PAM pamnamespace module incorrectly handled special files when performing directory checks. A local attacker could possibly use this issue to cause PAM to stop responding, resulting in a denial of service.

USN-6579-1 fixed a vulnerability in Xerces-C++. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04 and Ubuntu 23.10. Original advisory details: It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML data containing external DTDs, which could trigger a use-after-free error. If a user or automated system were tricked into processing a specially crafted XML document, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted TIFF file, a remote attacker could use this issue to cause a heap buffer overflow, resulting in a denial of service attack. This issue only affected Ubuntu 16.04 LTS and Ubuntu 20.04 LTS. (CVE-2019-12211) It was discovered that FreeImage incorrectly processed images under certain circumstances. If a user were tricked into opening a crafted TIFF file, a remote attacker could possibly use this issue to cause a stack exhaustion condition, resulting in a denial of service attack. This issue only affected Ubuntu 16.04 LTS and Ubuntu 20.04 LTS. (CVE-2019-12213) It was discovered that FreeImage incorrectly processed certain images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2020-21427, CVE-2020-21428) It was discovered that FreeImage incorrectly processed certain images. If a user or automated system were tricked into opening a specially crafted PFM file, an attacker could possibly use this issue to cause a denial of service. (CVE-2020-22524)

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the DeviceFocusEvent and ProcXIQueryPointer APIs. An attacker could possibly use this issue to cause the X Server to crash, obtain sensitive information, or execute arbitrary code. (CVE-2023-6816) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled reattaching to a different master device. An attacker could use this issue to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code. (CVE-2024-0229) Olivier Fourdan and Donn Seeley discovered that the X.Org X Server incorrectly labeled GLX PBuffers when used with SELinux. An attacker could use this issue to cause the X Server to crash, leading to a denial of service. (CVE-2024-0408) Olivier Fourdan discovered that the X.Org X Server incorrectly handled the curser code when used with SELinux. An attacker could use this issue to cause the X Server to crash, leading to a denial of service. (CVE-2024-0409) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the XISendDeviceHierarchyEvent API. An attacker could possibly use this issue to cause the X Server to crash, or execute arbitrary code. (CVE-2024-21885) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled devices being disabled. An attacker could possibly use this issue to cause the X Server to crash, or execute arbitrary code. (CVE-2024-21886)

It was discovered that ZooKeeper incorrectly handled authorization for the getACL() command. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-0201) Damien Diederen discovered that ZooKeeper incorrectly handled authorization if SASL Quorum Peer authentication is enabled. An attacker could possibly use this issue to bypass ZooKeeper's authorization system. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04 and Ubuntu 23.10. (CVE-2023-44981)

It was discovered that w3m incorrectly handled certain HTML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

Vishal Mishra and Anita Gaud discovered that .NET did not properly validate X.509 certificates with malformed signatures. An attacker could possibly use this issue to bypass an application's typical authentication logic. (CVE-2024-0057) Morgan Brown discovered that .NET did not properly handle requests from unauthenticated clients. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-21319)

It was discovered that Twisted incorrectly escaped host headers in certain 404 responses. A remote attacker could possibly use this issue to perform HTML and script injection attacks. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-39348) It was discovered that Twisted incorrectly handled response order when processing multiple HTTP requests. A remote attacker could possibly use this issue to delay responses and manipulate the responses of second requests. (CVE-2023-46137)

Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A privileged guest attacker could possibly use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2020-14394) It was discovered that QEMU incorrectly handled the TCG Accelerator. A local attacker could use this issue to cause QEMU to crash, leading to a denial of service, or possibly execute arbitrary code and esclate privileges. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-24165) It was discovered that QEMU incorrectly handled the Intel HD audio device. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2021-3611) It was discovered that QEMU incorrectly handled the ATI VGA device. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-3638) It was discovered that QEMU incorrectly handled the VMWare paravirtual RDMA device. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service. (CVE-2023-1544) It was discovered that QEMU incorrectly handled the 9p passthrough filesystem. A malicious guest attacker could possibly use this issue to open special files and escape the exported 9p tree. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-2861) It was discovered that QEMU incorrectly handled the virtual crypto device. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-3180) It was discovered that QEMU incorrectly handled the built-in VNC server. A remote authenticated attacker could possibly use this issue to cause QEMU to stop responding, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-3255) It was discovered that QEMU incorrectly handled net device hot-unplugging. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-3301) It was discovered that QEMU incorrectly handled the built-in VNC server. A remote attacker could possibly use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-3354) It was discovered that QEMU incorrectly handled NVME devices. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 23.10. (CVE-2023-40360) It was discovered that QEMU incorrectly handled NVME devices. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service, or possibly obtain sensitive information. This issue only affected Ubuntu 23.10. (CVE-2023-4135) It was discovered that QEMU incorrectly handled SCSI devices. A malicious guest attacker could use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 23.04 and Ubuntu 23.10. (CVE-2023-42467) It was discovered that QEMU incorrectly handled certain disk offsets. A malicious guest attacker could possibly use this issue to gain control of the host in certain nested virtualization scenarios. (CVE-2023-5088)

The ClamAV package was updated to a new upstream version to remain compatible with signature database downloads.

It was discovered that SQLite incorrectly handled certain protection mechanisms when using a CLI script with the --safe option, contrary to expectations. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-46908) It was discovered that SQLite incorrectly handled certain memory operations in the sessions extension. A remote attacker could possibly use this issue to cause SQLite to crash, resulting in a denial of service. (CVE-2023-7104)

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code.(CVE-2023-6857, CVE-2023-6858, CVE-2023-6859, CVE-2023-6861, CVE-2023-6862, CVE-2023-6863, CVE-2023-6864) Marcus Brinkmann discovered that Thunderbird did not properly parse a PGP/MIME payload that contains digitally signed text. An attacker could potentially exploit this issue to spoof an email message. (CVE-2023-50762) Marcus Brinkmann discovered that Thunderbird did not properly compare the signature creation date with the message date and time when using digitally signed S/MIME email message. An attacker could potentially exploit this issue to spoof date and time of an email message. (CVE-2023-50761) DoHyun Lee discovered that Thunderbird did not properly manage memory when used on systems with the Mesa VM driver. An attacker could potentially exploit this issue to execute arbitrary code. (CVE-2023-6856) Andrew Osmond discovered that Thunderbird did not properly validate the textures produced by remote decoders. An attacker could potentially exploit this issue to escape the sandbox. (CVE-2023-6860)

USN-6233-1 fixed vulnerabilities in YAJL. This update provides the corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. Original advisory details: It was discovered that YAJL was not properly performing bounds checks when decoding a string with escape sequences. If a user or automated system using YAJL were tricked into processing specially crafted input, an attacker could possibly use this issue to cause a denial of service (application abort). (CVE-2017-16516) It was discovered that YAJL was not properly handling memory allocation when dealing with large inputs, which could lead to heap memory corruption. If a user or automated system using YAJL were tricked into running a specially crafted large input, an attacker could possibly use this issue to cause a denial of service. (CVE-2022-24795) It was discovered that memory leaks existed in one of the YAJL parsing functions. An attacker could possibly use this issue to cause a denial of service (memory exhaustion). (CVE-2023-33460)

It was discovered that audiofile could be made to dereference invalid memory. If a user or an automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-13440) It was discovered that audiofile could be made to write out of bounds. If a user or an automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-17095) It was discovered that audiofile could be made to dereference invalid memory. If a user or an automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. (CVE-2019-13147) It was discovered that audiofile could be made to leak memory. If a user or an automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to obtain sensitive information. (CVE-2022-24599)

It was discovered that Vim could be made to dereference invalid memory. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-1725) It was discovered that Vim could be made to recurse infinitely. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-1771) It was discovered that Vim could be made to write out of bounds with a put command. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-1886) It was discovered that Vim could be made to write out of bounds. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-1897, CVE-2022-2000) It was discovered that Vim did not properly manage memory in the spell command. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-2042) It was discovered that Vim did not properly manage memory. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2023-46246, CVE-2023-48231) It was discovered that Vim could be made to divide by zero. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 23.04 and Ubuntu 23.10. (CVE-2023-48232) It was discovered that Vim contained multiple arithmetic overflows. An attacker could possibly use these issues to cause a denial of service. (CVE-2023-48233, CVE-2023-48234, CVE-2023-48235, CVE-2023-48236, CVE-2023-48237) It was discovered that Vim did not properly manage memory in the substitute command. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-48706)

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges. (CVE-2023-6377) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the RRChangeOutputProperty and RRChangeProviderProperty APIs. An attacker could possibly use this issue to cause the X Server to crash, or obtain sensitive information. (CVE-2023-6478)

It was discovered that Ghostscript incorrectly handled writing TIFF files. A remote attacker could possibly use this issue to cause Ghostscript to crash, resulting in a denial of service.

Florent Saudel and Arnaud Gatignol discovered that Netatalk incorrectly handled certain specially crafted Spotlight requests. A remote attacker could possibly use this issue to cause heap corruption and execute arbitrary code. (CVE-2023-42464)

It was discovered that tar incorrectly handled extended attributes in PAX archives. An attacker could use this issue to cause tar to crash, resulting in a denial of service.

Reginaldo Silva discovered that LibreOffice incorrectly handled filenames when passing embedded videos to GStreamer. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary GStreamer plugins. (CVE-2023-6185) Reginaldo Silva discovered that LibreOffice incorrectly handled certain non-typical hyperlinks. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary scripts. (CVE-2023-6186)

Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

it was discovered that Python incorrectly handled null bytes when normalizing pathnames. An attacker could possibly use this issue to bypass certain filename checks.

It was discovered that BlueZ did not properly restrict non-bonded devices from injecting HID events into the input subsystem. This could allow a physically proximate attacker to inject keystrokes and execute arbitrary commands whilst the device is discoverable.

It was discovered that the GNU C Library was not properly handling certain memory operations. An attacker could possibly use this issue to cause a denial of service (application crash). (CVE-2023-4806, CVE-2023-4813) It was discovered that the GNU C library was not properly implementing a fix for CVE-2023-4806 in certain cases, which could lead to a memory leak. An attacker could possibly use this issue to cause a denial of service (application crash). This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-5156)

Harry Sintonen discovered that curl incorrectly handled mixed case cookie domains. A remote attacker could possibly use this issue to set cookies that get sent to different and unrelated sites and domains. (CVE-2023-46218) Maksymilian Arciemowicz discovered that curl incorrectly handled long file names when saving HSTS data. This could result in curl losing HSTS data, and subsequent requests to a site would be done without it, contrary to expectations. This issue only affected Ubuntu 23.04 and Ubuntu 23.10. (CVE-2023-46219)