It was discovered that pyasn1 did not properly bound the size of long-form tag identifiers when parsing BER, CER, or DER encoded data. An attacker could possibly use this issue to cause applications decoding untrusted ASN.1 data to consume excessive CPU resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2026-59884)
It was discovered that pyasn1 processed OBJECT IDENTIFIER and RELATIVE-OID values in quadratic time relative to the number of arcs. An attacker could possibly use this issue to cause applications decoding untrusted ASN.1 data to consume excessive CPU resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2026-59885)
It was discovered that pyasn1 incorrectly handled conversion of decoded REAL values to Python float types. An attacker could possibly use this issue to cause applications decoding untrusted ASN.1 data to consume excessive CPU and memory resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2026-59886)
It was discovered that pyasn1 incorrectly handled tracking component types when decoding containers without a schema. An attacker could possibly use this issue to cause applications decoding untrusted ASN.1 data to consume excessive CPU resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-119194)
It was discovered that pyasn1 processed fragmented constructed strings and indefinite-length ANY values in quadratic time. An attacker could possibly use this issue to cause applications decoding untrusted ASN.1 data to consume excessive CPU resources, resulting in a denial of service. This issue was only addressed in Ubuntu 26.04 LTS and Ubuntu 26.10. (CVE-2026-119195)
It was discovered that pyasn1 processed fragmented constructed BIT STRING values in quadratic time. An attacker could possibly use this issue to cause applications decoding untrusted ASN.1 data to consume excessive CPU resources, resulting in a denial of service. (CVE-2026-119196)
It was discovered that pyasn1 processed binary-encoded REAL values with large mantissas in quadratic time. An attacker could possibly use this issue to cause applications decoding untrusted ASN.1 data to consume excessive CPU resources, resulting in a denial of service. (CVE-2026-119197)
It was discovered that the Security component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-83374)
It was discovered that the JSSE component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-83376, CVE-2026-91461)
It was discovered that the JAAS component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to read sensitive data. (CVE-2026-83380)
It was discovered that the Security component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-83381, CVE-2026-87294)
It was discovered that the JDBC component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to read sensitive data. (CVE-2026-83387)
It was discovered that the Networking component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service or to modify sensitive data. (CVE-2026-83395)
It was discovered that the JAXP component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-83400)
It was discovered that the JAXP component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to read sensitive data. (CVE-2026-87290)
It was discovered that the Networking component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-87292, CVE-2026-91451, CVE-2026-91452)
It was discovered that the RMI component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-87293)
It was discovered that the JAXP component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-87367)
It was discovered that the ImageIO component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to read sensitive data. (CVE-2026-91334)
It was discovered that the AWT component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to read sensitive data. (CVE-2026-91335)
It was discovered that the JSSE component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-91373)
It was discovered that the Serviceability component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-91374)
It was discovered that the Utility component of OpenJDK 8 did not correctly authorize users. A local attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-91380)
It was discovered that the 2D component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-91381)
It was discovered that the 2D component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to cause a denial of service or to modify sensitive data. (CVE-2026-91382)
It was discovered that the Utility component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service or to modify sensitive data. (CVE-2026-91395, CVE-2026-91396)
It was discovered that the Serviceability component of OpenJDK 8 did not correctly authorize users. A local attacker could possibly use this issue to cause a denial of service or to modify sensitive data. (CVE-2026-91397)
It was discovered that the Networking component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-91398)
It was discovered that the Sound component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-91400)
It was discovered that the JSSE component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-91403)
It was discovered that the Libraries component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-91410)
It was discovered that the JGSS component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to cause a denial of service or to modify sensitive data. (CVE-2026-91411)
It was discovered that the 2D component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to cause a denial of service or to read or modify sensitive data. (CVE-2026-91415)
It was discovered that the CORBA component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-91417)
It was discovered that the ImageIO component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-91418)
It was discovered that the Lightweight HTTP Server component of OpenJDK 8 did not correctly authorize users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-91453)
It was discovered that the JGSS component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-91462)
It was discovered that the JGSS component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to read sensitive data. (CVE-2026-91463, CVE-2026-91464)
It was discovered that the Security component of OpenJDK 8 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-114820)
In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.
Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2026-10-20 https://openjdk.org/groups/vulnerability/advisories/2026-10-21 https://openjdk.org/groups/vulnerability/advisories/2026-10-24
Stanislav Fort discovered that OpenSSL incorrectly handled memory when trying to decrypt CMS messages encrypted with password-based encryption. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2025-9230)
Stanislav Fort discovered that OpenSSL had a timing side-channel in SM2 signature computations on ARM platforms. A remote attacker could possibly use this issue to recover private data. This issue only affected Ubuntu 25.04. (CVE-2025-9231)
Stanislav Fort discovered that OpenSSL incorrectly handled memory during HTTP requests when "noproxy" environment variable is set. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.04. (CVE-2025-9232)
USN-8952-1 fixed vulnerabilities in Tornado. Unfortunately that update was incomplete due to an incomplete fix for CVE-2026-103263, which broke static file serving for applications that subclass Tornado's StaticFileHandler, such as Jupyter, and could introduce a regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Tornado did not properly handle certain HTTP requests and network inputs. An attacker could possibly use these issues to cause a denial of service, expose sensitive information, or bypass access controls.
(CVE-2023-54397, CVE-2024-14029, CVE-2026-91990, CVE-2026-91992, CVE-2026-103262, CVE-2026-103263)
It was discovered that Tornado did not properly handle certain HTTP requests and network inputs. An attacker could possibly use these issues to cause a denial of service, expose sensitive information, or bypass access controls.
(CVE-2023-54397, CVE-2024-14029, CVE-2026-91990, CVE-2026-91992, CVE-2026-103262, CVE-2026-103263)
It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431)
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Packet sockets; (CVE-2026-31504, CVE-2026-43033, CVE-2026-43077, CVE-2026-43078, CVE-2026-46028)
USN-8955-1 fixed vulnerabilities in nginx in Ubuntu 26.10, Ubuntu 26.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 22.04 LTS. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 14.04 LTS.
In addition, this update fixes CVE-2026-42533 for these releases.
It was discovered that nginx incorrectly handled certain map directives using regex matching and capture variables. A remote attacker could possibly use this issue to crash nginx, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-42533)
Original advisory details:
It was discovered that nginx incorrectly handled certain configurations using the alias directive together with rewrite rules. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-15176)
It was discovered that nginx incorrectly handled map directives using regex matching under certain circumstances. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-93479)
It was discovered that nginx incorrectly handled HTTP/3 requests when proxyrequestbuffering was enabled. This issue only affected Ubuntu 26.04 LTS and Ubuntu 26.10. A remote attacker could possibly use this issue to inject data into proxied requests. (CVE-2026-95101)
It was discovered that nginx incorrectly handled asynchronous file I/O in certain configurations with Server Side Includes pages. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-97205)
It was discovered that nginx incorrectly handled SSL session ticket keys when configured with a shared session cache but without explicit ticket key rotation. This issue only affected Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. A remote attacker could possibly use this issue to forge client SSL sessions and bypass client certificate verification. (CVE-2026-97629)
USN-7530-1 fixed a vulnerability in ADOdb. This update provides the corresponding updates for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS.
Original advisory details:
It was discovered that ADOdb incorrectly handled SQL input. A remote attacker could use this issue to execute arbitrary SQL commands.
Max Justicz discovered that APT incorrectly handled hard links when encountering redirects and retrying package downloads. A remote on-path attacker could possibly use this issue to trick APT into installing an unverified package and achieve remote code execution with root privileges.
It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-43503)
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - InfiniBand drivers; - SCSI subsystem; - Thermal drivers; - USB over IP driver; - Network file system (NFS) server daemon; - SMB network file system; - Tracing infrastructure; - B.A.T.M.A.N. meshing protocol; - Ethernet bridge; - Ceph Core library; - DCCP (Datagram Congestion Control Protocol); - IPv4 networking; - IPv6 networking; - Netfilter; - RxRPC session sockets; - X.25 network layer; (CVE-2021-47202, CVE-2024-56643, CVE-2026-23272, CVE-2026-23455, CVE-2026-31402, CVE-2026-31607, CVE-2026-31637, CVE-2026-31659, CVE-2026-31682, CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43383, CVE-2026-43407, CVE-2026-43414, CVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46243)
It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-43284)
It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-43503)
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - InfiniBand drivers; - SCSI subsystem; - Thermal drivers; - USB over IP driver; - Network file system (NFS) server daemon; - SMB network file system; - Tracing infrastructure; - B.A.T.M.A.N. meshing protocol; - Ethernet bridge; - Ceph Core library; - DCCP (Datagram Congestion Control Protocol); - IPv4 networking; - IPv6 networking; - Netfilter; - RxRPC session sockets; - X.25 network layer; (CVE-2021-47202, CVE-2024-56643, CVE-2026-23272, CVE-2026-23455, CVE-2026-31402, CVE-2026-31607, CVE-2026-31637, CVE-2026-31659, CVE-2026-31682, CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43383, CVE-2026-43407, CVE-2026-43414, CVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46243)
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information (kernel memory), local privilege escalation, or possibly escape a container. (LP: #2143853, CVE-2026-23268, CVE-2026-23269, CVE-2026-23403, CVE-2026-23404, CVE-2026-23405, CVE-2026-23410, CVE-2026-23411)
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - Sun RPC protocol; - XFRM subsystem; (CVE-2024-27388, CVE-2024-46816, CVE-2024-49938, CVE-2024-50008, CVE-2024-50142, CVE-2026-23209)
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information (kernel memory), local privilege escalation, or possibly escape a container. (LP: #2143853, CVE-2026-23268, CVE-2026-23269, CVE-2026-23403, CVE-2026-23404, CVE-2026-23405, CVE-2026-23410, CVE-2026-23411)
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Cryptographic API; - GPU drivers; - Network drivers; - UDF file system; - NFC subsystem; - Network traffic control; - Sun RPC protocol; - XFRM subsystem; (CVE-2024-27388, CVE-2024-46777, CVE-2024-46816, CVE-2024-49938, CVE-2024-50008, CVE-2024-50142, CVE-2025-21735, CVE-2025-37849, CVE-2026-23060, CVE-2026-23074, CVE-2026-23209)
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
It was discovered that libsoup incorrectly handled certain WebSocket frames. A remote attacker could possibly use this issue to cause an application to crash or expose sensitive information. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-12478)
It was discovered that libsoup incorrectly handled certain data URIs. A remote attacker could possibly use this issue to cause an application to crash or expose sensitive information. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-102555)
It was discovered that libsoup incorrectly handled certain WebSocket messages. A remote attacker could possibly use this issue to cause an application to crash. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-102556)
It was discovered that libsoup incorrectly handled fragmented WebSocket messages. A remote attacker could possibly use this issue to cause an application to crash. (CVE-2026-102557)
It was discovered that libsoup incorrectly handled certain WebSocket frames. A remote attacker could possibly use this issue to cause an application to crash. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-102558)
It was discovered that libsoup incorrectly handled large WebSocket messages. An attacker could possibly use this issue to cause an application to crash. (CVE-2026-102559)
It was discovered that libsoup incorrectly handled compressed WebSocket messages. An attacker could possibly use this issue to cause an application to crash. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-102560)
It was discovered that libsoup did not properly handle certain HTTP requests. A remote attacker could possibly use this issue to inject arbitrary HTTP requests. (CVE-2026-103399)
It was discovered that libsoup incorrectly handled proxy credentials. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-12547)
It was discovered that libsoup incorrectly handled multipart messages. A remote attacker could possibly use this issue to cause an application to crash or obtain sensitive information. (CVE-2026-12548)
It was discovered that Yaws did not properly sanitize XML input in its WebDAV implementation. A remote attacker could possibly use this issue to perform XML external entity injection attacks. (CVE-2020-24379)
It was discovered that Yaws mishandled certain input when running CGI scripts. A remote attacker could possibly use this issue to execute arbitrary commands. (CVE-2020-24916)
It was discovered that rxvt-unicode incorrectly handled certain escape sequences. An attacker could possibly use this issue to execute arbitrary code if a user displayed specially crafted text in the terminal.
It was discovered that libuser did not properly validate the GECOS field when changing user information. A local attacker could possibly use this issue to corrupt the passwd file, resulting in a denial of service. (CVE-2015-3245)
It was discovered that libuser modified the passwd file in place when updating user information. A local attacker could possibly use this issue to cause an inconsistent file state, resulting in a denial of service, or possibly escalate privileges. (CVE-2015-3246)
It was discovered that feh incorrectly handled certain IPC messages from a client pretending to be the Enlightenment window manager, leading to an integer overflow. An attacker could possibly use this issue to cause feh to crash, resulting in a denial of service, or possibly execute arbitrary code.
It was discovered that the enlightenmentsys helper in Enlightenment incorrectly handled certain pathnames. A local attacker could possibly use this issue to gain administrator privileges.
Dawid Golunski discovered that CakePHP incorrectly trusted the CLIENT-IP HTTP header when determining the client IP address. A remote attacker could possibly use this issue to spoof their IP address.
It was discovered that the web UI in Deluge did not protect against cross- site request forgery. A remote attacker could possibly use this issue to trick a user into installing a malicious plugin, resulting in the execution of arbitrary code. (CVE-2017-7178)
It was discovered that the web UI in Deluge incorrectly handled certain requests. A remote attacker could possibly use this issue to read arbitrary files. (CVE-2017-9031)
It was discovered that Apt-Cacher did not properly handle encoded newline characters in requests. A remote attacker could possibly use this issue to perform HTTP response splitting attacks.
It was discovered that Net::EasyTCP used the built-in Perl rand() function to generate encryption keys when no strong randomization module was present. An attacker could possibly use this issue to predict the keys and obtain sensitive information.
It was discovered that the shpsort utility in Shapelib incorrectly handled certain inputs, leading to a double free. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code.
It was discovered that BitlBee incorrectly handled file transfer connections that expired when built with libpurple. A remote attacker could possibly use this issue to cause BitlBee to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-10188)
It was discovered that BitlBee incorrectly handled file transfer requests for contacts that were not in the contact list. A remote attacker could possibly use this issue to cause BitlBee to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-10189)