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...

USN-8321-1: Papers vulnerability

It was discovered that Papers incorrectly handled PDF /GoToR actions. If a user were tricked into opening a specially crafted PDF file, an attacker could use this issue to manipulate command lines and possibly execute arbitrary code...

USN-8320-1: Memcached vulnerabilities

It was discovered that Memcached's SASL password database authentication had a timing side channel when handling username and password data. A remote attacker could possibly use this issue to obtain sensitive information...

USN-8319-1: Libgcrypt vulnerabilities

It was discovered that Libgcrypt incorrectly handled crafted ECDH ciphertext. An attacker could possibly use this issue to cause Libgcrypt to crash, resulting in a denial of service. CVE-2026-41989 It was discovered that Libgcrypt incorrectly handled Dilithium signing. An attacker could possibly...

USN-8318-1: libcaca vulnerability

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

USN-8317-1: GStreamer Good Plugins vulnerabilities

It was discovered that GStreamer Good Plugins incorrectly handled certain MP4 audio tracks. An attacker could possibly use this issue to cause GStreamer Good Plugins to crash, resulting in a denial of service...

USN-8316-1: CableSwig vulnerabilities

It was discovered that Expat, vendored in CableSwig, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8315-1: MediaWiki vulnerabilities

It was discovered that MediaWiki incorrectly handled group membership visibility in the OATHAuth extension. An authenticated attacker could use this issue to determine if other users had two-factor authentication enabled. CVE-2026-34087 It was discovered that MediaWiki incorrectly handled...

USN-8314-1: Ayttm vulnerabilities

It was discovered that Expat, vendored in Ayttm, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8313-1: XML-RPC for C and C++ vulnerabilities

It was discovered that Expat, vendored in XML-RPC, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8303-1: GitPython vulnerabilities

Santos Gallegos discovered that GitPython did not properly validate paths when resolving certain Git references. An attacker could possibly use this issue to cause files outside the .git directory to be accessed, leading to a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu...

USN-7972-2: OpenCC vulnerability

USN-7972-1 fixed a vulnerability in OpenCC. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that OpenCC incorrectly handled truncated UTF-8 input. An attacker could possibly use this issue to cause OpenCC to...

USN-8063-2: Protocol Buffers vulnerability

USN-8063-1 fixed a vulnerability in Protocol Buffers. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that Protocol Buffers incorrectly handled recursion when the Python google.protobuf.jsonformat.ParseDict...

USN-8280-3: Linux kernel (IoT) 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-8311-1: Dnsmasq vulnerability

Petr Menšík discovered that Dnsmasq incorrectly handled certain input in the dhcprelease utility. A local attacker could possibly use this issue to cause Dnsmasq to crash, resulting in a denial of service...