USN-8365-1: Dovecot vulnerabilities

It was discovered that Dovecot incorrectly treated some variable expansion pipelines as safe in authentication filters. An attacker could possibly use this issue to perform SQL or LDAP injection attacks. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. CVE-2026-27851 It was discovered...

USN-8364-1: Apache Commons Lang vulnerability

It was discovered that Apache Commons Lang incorrectly handled recursion in the ClassUtils.getClass method. An attacker could possibly use this issue to cause Apache Commons Lang to crash, resulting in a denial of service...

USN-8363-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.46 in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. Ubuntu 25.10 and Ubuntu 26.04 LTS have been updated to MySQL 8.4.9. In addition to security fixes,...

USN-8130-2: GStreamer Base Plugins vulnerability

USN-8130-1 fixed a vulnerability in GStreamer Base Plugins. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that GStreamer Base Plugins incorrectly handled certain AVI media files. A remote attacker could use th...

USN-8362-1: XZ Utils vulnerability

It was discovered that XZ Utils did not properly manage memory when attempting to append data to a decoded index that contained no records. An attacker could possibly use this issue to cause XZ Utils to crash, resulting in a denial of service, or execute arbitrary code...

USN-8361-1: Linux kernel vulnerability

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystem: - Packet sockets; CVE-2026-31504...

USN-8209-2: Little CMS vulnerability

USN-8209-1 fixed vulnerabilities in Little CMS. This update contains the fixes for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that Little CMS incorrectly handled certain malformed ICC profiles. An attacker could use thi...

USN-8360-1: sslh vulnerability

It was discovered that sslh did not properly handle symbolic links when writing its PID file. A local attacker could possibly use this issue to overwrite arbitrary files...

USN-8359-1: NNCP vulnerability

It was discovered that NNCP did not properly sanitize file paths in packet data during file requesting and file saving operations. A remote attacker could possibly use this issue to read or write arbitrary files outside of the intended directory...

USN-8358-1: haveged vulnerability

It was discovered that haveged incorrectly handled credential checks on its control socket. A local attacker could possibly use this issue to execute privileged commands...

USN-8055-2: Evolution Data Server vulnerability

USN-8055-1 fixed a vulnerability in Evolution Data Server. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that Evolution Data Server incorrectly handled removing local cache files. An attacker could possibly us...

USN-8357-1: Qt Declarative vulnerability

It was discovered that Qt Declarative did not properly validate the width and height attributes of image tags in the Text component of Qt Quick. An attacker could possibly use this issue to cause Qt Declarative to use excessive resources, leading to a denial of service...

USN-8356-1: GNU SASL vulnerability

It was discovered that GNU SASL did not properly handle certain DIGEST-MD5 tokens. An attacker could possibly use this issue to cause GNU SASL to crash, resulting in a denial of service...

USN-8355-1: SSSD vulnerability

It was discovered that SSSD did not properly handle raw bytes in the PAM passkey responder. A local attacker could possibly use this issue to cause the SSSD PAM responder to crash, resulting in a denial of service...

USN-8354-1: nginx vulnerabilities

It was discovered that nginx did not properly validate source addresses in the HTTP/3 QUIC module. A remote attacker could possibly use this issue to bypass authorization checks or rate limiting. This issue only affected Ubuntu 25.04 and Ubuntu 25.10. CVE-2026-40460 It was discovered that nginx...

USN-8353-1: Exim vulnerability

Warisjeet Singh discovered that Exim with SUPPORTPROXY enabled did not properly handle memory before SMTP authentication. A remote attacker could possibly use this issue to obtain sensitive information...

USN-8352-1: LibreOffice vulnerability

Duc Anh Nguyen discovered that LibreOffice incorrectly handled mismatched encryption salt parameters in crafted OOXML documents. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8351-1: Linux kernel (Low Latency) vulnerabilities

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 th...

USN-8350-1: Linux kernel (NVIDIA Tegra) vulnerabilities

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 th...

USN-8349-1: rsync vulnerabilities

Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote attacker with read access to an rsync server could possibly use this issue to cause a denial of service. CVE-2025-10158 Batuhan Sancak, Damien Neil, and Michael Stapelberg discovere...

LSN-120-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvmarchvcpucreate fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU data initialised. In the Linux kernel, the...

USN-8344-2: pip regression

USN-8344-1 fixed vulnerabilities in pip. On Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS the patches for CVE-2025-66471 caused a regression when using pip. The patches for CVE-2025-66471 have been temporarily reverted pending investigation. We apologize for the inconvenience. Original...

USN-8338-2: Apache HTTP Server regression

USN-8338-1 fixed vulnerabilities in Apache HTTP Server. The update introduced a regression that prevented modhttp2 from loading on Ubuntu 18.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Apache HTTP Server incorrectly...

USN-8347-1: QT WebEngine vulnerability

It was discovered that the vendored LibTIFF in QT WebEngine incorrectly handled memory when parsing malformed TIFF image metadata. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information, or execute arbitrary code...

USN-8346-1: Texmaker vulnerabilities

It was discovered that the vendored LibTIFF in Texmaker incorrectly handled memory when parsing malformed TIFF image metadata. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information, or execute arbitrary code...

USN-8345-1: GDAL vulnerability

It was discovered that the vendored LibTIFF in GDAL incorrectly handled memory when parsing malformed TIFF image metadata. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information, or execute arbitrary code...

USN-8341-1: OpenJDK 26 vulnerabilities

Thomas Beckers discovered that the JAXP component of OpenJDK 26 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of...

USN-8344-1: pip vulnerabilities

It was discovered that pip incorrectly handled TLS certificate verification in session connections. If a session was first used with certificate verification disabled, subsequent requests to the same host would also skip verification regardless of the session's current settings. A remote attacker...

USN-8229-2: sed vulnerability

USN-8229-1 fixed a vulnerability in sed. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Michał Majchrowicz and Marcin Wyczechowski discovered that sed incorrectly handled symbolic links when performing in-place edits. A local...

USN-8342-1: Vim vulnerability

It was discovered that Vim did not properly handle backticks in tag filenames. An attacker could possibly use this issue to execute arbitrary commands...

USN-8343-1: multipart vulnerability

It was discovered that multipart had an ambiguous regular expression alternation when handling certain HTTP header values. A remote attacker could possibly use this issue to cause multipart to use excessive resources, leading to a denial of service...

USN-8339-1: OpenJDK 25 vulnerabilities

Thomas Beckers discovered that the JAXP component of OpenJDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of...

USN-8340-1: LibreOffice vulnerability

Duc Anh Nguyen discovered that LibreOffice incorrectly handled mismatched encryption salt parameters in crafted OOXML documents. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8338-1: Apache HTTP Server vulnerabilities

It was discovered that Apache HTTP Server incorrectly handled certain response headers. An attacker could possibly use this issue to perform HTTP response splitting attacks. This issue only affected Ubuntu 14.04 LTS. CVE-2023-38709 Will Dormann and David Warren discovered that Apache HTTP Server'...

USN-8337-1: QtSvg vulnerabilities

It was discovered that QtSvg incorrectly handled certain SVG images. An attacker could possibly use this issue to cause QtSvg to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2018-19869 It was discovered that QtSvg incorrectly handled certain SVG images. ...

USN-8336-1: PHP vulnerabilities

Aleksey Solovev and Nikita Sveshnikov discovered that PHP improperly handled NUL bytes when preparing SQL queries in the PDO Firebird driver. An attacker could possibly use this issue to perform SQL injection attacks. CVE-2025-14179 It was discovered that PHP incorrectly handled certain encoding...

USN-8335-1: pyOpenSSL vulnerability

It was discovered that pyOpenSSL incorrectly handled exceptions in the tlsextservername callback. This could result in connections being accepted after an exception, contrary to expectations...

USN-8334-1: CRaC JDK 25 vulnerabilities

Thomas Beckers discovered that the JAXP component of CRaC JDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of CRa...

USN-8333-1: CRaC JDK 21 vulnerabilities

Thomas Beckers discovered that the JAXP component of CRaC JDK 21 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of CRa...

USN-8332-1: CRaC JDK 17 vulnerabilities

Thomas Beckers discovered that the JAXP component of CRaC JDK 17 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of CRa...

USN-8331-1: OpenJDK 11 vulnerabilities

Thomas Beckers discovered that the JAXP component of OpenJDK 11 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of...

USN-8330-1: OpenJDK 8 vulnerabilities

Thomas Beckers discovered that the JAXP component of OpenJDK 8 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the JSSE component of OpenJDK 8 d...

USN-8329-1: FFmpeg vulnerability

It was discovered that the FFmpeg CAF decoder incorrectly handled certain file size calculations. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service...

USN-8328-1: OpenJDK 21 vulnerabilities

Thomas Beckers discovered that the JAXP component of OpenJDK 21 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of...

USN-8327-1: OpenJDK 17 vulnerabilities

Thomas Beckers discovered that the JAXP component of OpenJDK 17 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. CVE-2026-22016 It was discovered that the Networking component of...

USN-8326-1: Foomuuri vulnerabilities

Matthias Gerstner discovered that Foomuuri's D-Bus service did not properly enforce authorization. An unprivileged local attacker could possibly use this issue to manipulate the firewall configuration, contrary to expectations. CVE-2025-67603 Matthias Gerstner discovered that Foomuuri's D-Bus...

USN-8325-1: tgt vulnerability

It was discovered that tgt incorrectly tried to achieve entropy by calling rand without srand. An attacker could possibly use this issue to make tgt generate an identical sequence of challenges, resulting in authentication bypass...

USN-8324-1: Apache Tika vulnerabilities

It was discovered that Apache Tika incorrectly handled XML external entities when parsing XFA content in PDF files. An attacker could possibly use this issue to obtain sensitive information or send malicious requests to internal resources or third-party servers...

USN-8323-1: Postorius vulnerability

It was discovered that Postorius did not properly escape HTML in message subjects when rendering the Held messages pop-up. An attacker could possibly use this issue to inject arbitrary HTML, resulting in exposure of sensitive information...

USN-8322-1: Apache Commons BeanUtils vulnerability

It was discovered that Apache Commons BeanUtils incorrectly allowed access to the declaredClass property of Java enum objects when handling externally supplied property paths. An attacker could possibly use this issue to execute arbitrary code...