USN-8778-1: GStreamer Good Plugins vulnerability

It was discovered that GStreamer Good Plugins did not limit the size of reassembly buffers when processing fragmented RTP packets. A remote attacker could possibly use this issue to cause GStreamer Good Plugins to use excessive resources, leading to a denial of service...

USN-8777-1: GNU Bison vulnerability

It was discovered that GNU Bison incorrectly handled grammar-defined configuration variables when generating HTML reports. An attacker could possibly use this issue to execute arbitrary code...

USN-8776-1: python-cryptography vulnerabilities

It was discovered that python-cryptography incorrectly accepted objects with immutable buffers when performing certain cipher operations. This would result in corrupted output, contrary to expectations. This issue only affected Ubuntu 18.04 LTS. CVE-2023-23931 It was discovered that...

USN-8775-1: SQLite vulnerability

It was discovered that SQLite was vulnerable to a buffer overflow in the sqlar extension. If a user were tricked into opening a specially crafted SQLar archive, an attacker could cause a denial of service...

USN-8774-1: libheif vulnerabilities

Ali Firas discovered that libheif incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-62291 Dmitrijs Trizna discovered that libheif incorrectly handled certain image sequences. An attacker could possibly us...

USN-8736-2: Perl vulnerabilities

USN-8736-1 fixed vulnerabilities in Perl. This update provides the corresponding fix for Perl on Ubuntu 24.04 LTS. Original advisory details: It was discovered that Perl incorrectly handled certain large inputs during regular expression matching. An attacker could possibly use this issue to trigg...

USN-8773-1: GNU Guix vulnerability

It was discovered that GNU Guix incorrectly made build outputs accessible to local users before their file metadata was finalized. A local attacker could possibly use this issue to gain elevated privileges...

USN-8772-1: AOM vulnerabilities

It was discovered that AOM incorrectly handled the first-pass statistics buffer in Look-Ahead Processing LAP mode. An attacker could possibly use this issue to cause a heap buffer overflow, leading to a denial of service or possibly execute arbitrary code. CVE-2026-56208 It was discovered that AO...

USN-8514-2: OpenSSH vulnerability

USN-8514-1 fixed a vulnerability in OpenSSH. This update provides the corresponding fix for Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that OpenSSH incorrectly handled file permissions when downloading files as root using the legacy scp...

USN-8771-1: Valkey vulnerabilities

Madelyn Olson discovered that Valkey incorrectly handled TLS connections under certain conditions. A remote attacker could possibly use this issue to cause Valkey to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-56684 It was discovered that Valkey incorrectly handle...

USN-8770-1: SimpleSAMLphp vulnerabilities

It was discovered that SimpleSAMLphp incorrectly validated cryptographic signatures in XML messages. An authenticated attacker could possibly use this issue to impersonate users or gain elevated privileges. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. CVE-2019-3465 It was...

USN-8769-1: phpseclib vulnerability

It was discovered that phpseclib did not perform padding validation in constant time when using AES in CBC mode. A remote attacker could possibly use this issue to conduct a padding oracle timing attack and obtain sensitive information...

USN-8768-1: Shibboleth vulnerability

Florian Stuhlmann discovered that Shibboleth incorrectly escaped input when using the ODBC storage plugin. A remote attacker could possibly use this issue to perform SQL injection attacks and obtain sensitive information...

USN-8767-1: Snapcast vulnerability

It was discovered that Snapcast incorrectly handled crafted JSON-RPC requests. A remote attacker could possibly use this issue to execute arbitrary code or obtain sensitive information...

USN-8766-1: Suricata-Update vulnerability

Guillem Lefait discovered that Suricata-Update did not properly validate destination paths when extracting files referenced by downloaded rule archives. An attacker could possibly use this issue to write arbitrary files outside the configured rules directory...

USN-8765-1: python-sql vulnerability

Cédric Krier discovered that python-sql incorrectly escaped values passed to unary operators. An attacker could possibly use this issue to perform SQL injection attacks...

USN-8762-1: polkit vulnerability

It was discovered that polkit incorrectly handled cookie input. A local attacker could possibly use this issue to cause polkit to crash, resulting in a denial of service, or execute arbitrary code...

USN-8764-1: SRT vulnerabilities

It was discovered that SRT did not authenticate certain encryption control messages. A remote attacker could possibly use this issue to downgrade an encrypted connection and inject arbitrary content or interrupt a media stream. CVE-2026-55868 It was discovered that SRT did not properly validate...

USN-8763-1: kitty vulnerabilities

It was discovered that kitty incorrectly escaped error messages when handling specially crafted terminal escape sequences. A remote attacker could possibly use this issue to execute arbitrary commands. CVE-2026-42850 It was discovered that kitty incorrectly handled remote edit requests in termina...

USN-8761-1: Linux kernel (Azure) vulnerabilities

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: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - Compute Acceleration Framework; - Drivers core;...

USN-8730-2: Linux kernel (Azure) 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 subsystems: - IPv6 networking; - Netfilter;...

USN-8760-1: Linux kernel (NVIDIA) vulnerabilities

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: - User-space API UAPI; - Kernel build system; - ARM32 architecture; - ARM64 architecture; - RISC-V architecture; - S3...

USN-8759-1: WebOb vulnerabilities

It was discovered that WebOb incorrectly handled certain URLs. An attacker could possibly use this issue to control a redirect or forward to another URL. This issue was only addressed in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. CVE-2024-42353 Caleb Brown discovered that WebOb incorrectly handled...

USN-8758-1: dracut vulnerability

It was discovered that dracut did not properly shell-quote messages written by the die function to the emergency hook directory. An attacker on the adjacent network controlling a rogue DHCP server could use this issue to inject commands that execute as root during boot-failure handling...

USN-8739-2: ImageMagick vulnerabilities

USN-8739-1 fixed vulnerabilities in ImageMagick. This update provides the corresponding fixes for Ubuntu 24.04 LTS. Original advisory details: It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. This issue...

USN-8757-1: cgit vulnerability

It was discovered that cgit incorrectly handled repository paths when HTTP cloning was enabled. A remote attacker could possibly use this issue to access files outside the repository and obtain sensitive information...

USN-8756-1: Yelp vulnerability

It was discovered that Yelp allowed help documents to execute arbitrary scripts. An attacker could possibly use this issue to trick a user into opening a specially crafted help document and obtain sensitive information...

USN-8755-1: libvips vulnerability

It was discovered that libvips incorrectly handled specially crafted TIFF images when saving them as HEIF images. An attacker could possibly use this issue to cause libvips to crash, resulting in a denial of service...

USN-8754-1: Freeciv vulnerability

It was discovered that Freeciv incorrectly handled certain network packets, resulting in a stack overflow. A remote attacker could possibly use this issue to cause Freeciv clients or servers to crash, resulting in a denial of service...

USN-8753-1: libinput vulnerability

It was discovered that libinput did not properly escape device properties. A local attacker could possibly use this issue to inject arbitrary udev properties and execute arbitrary code as root...

USN-8752-1: Konsole vulnerability

It was discovered that Konsole incorrectly handled certain URLs under specific circumstances. A remote attacker could possibly use this issue to execute arbitrary code...

USN-8563-5: nginx vulnerability

USN-8563-1 fixed vulnerabilities in nginx. The fix for CVE-2026-42533 was backed out in USN-8563-2 because it could cause a regression. This update includes a better fix for CVE-2026-42533. We apologize for the inconvenience. Original advisory details: It was discovered that nginx incorrectly...

USN-8751-1: Urwid vulnerabilities

Katriel Moses discovered that Urwid used a weak PRNG. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-8750-1: FFmpeg vulnerabilities

Seung Min Shin discovered that FFmpeg did not correctly handle certain memory operations. If a user or automated system were tricked into opening a specially crafted file, an attacker could cause a denial of service. CVE-2026-12706 Xinghang Lv discovered that FFmpeg did not correctly handle certa...

USN-8749-1: CivetWeb vulnerabilities

It was discovered that CivetWeb did not correctly handle parsing certain URIs. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. CVE-2025-55763 It was discovered that CivetWeb did...

USN-8571-2: Apache HTTP Server regression

USN-8571-1 fixed vulnerabilities in Apache HTTP Server. That fix was incomplete due to a missing library symbol, resulting in a regression that could cause Apache HTTP Server to fail to start when HTTP/2 proxying was enabled. This update fixes the problem. We apologize for the inconvenience...

USN-8747-1: Beets vulnerability

It was discovered that Beets incorrectly escaped untrusted media metadata in its web interface. An attacker could possibly use this issue to inject arbitrary HTML or execute arbitrary JavaScript code in a user's browser...

USN-8746-1: libEBML vulnerability

It was discovered that libEBML incorrectly handled certain read and write operations. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service...

USN-8745-1: KissFFT vulnerabilities

It was discovered that KissFFT incorrectly handled certain large Fourier transform sizes on 32-bit architectures. An attacker could possibly use this issue to cause KissFFT to crash, resulting in a denial of service, or execute arbitrary code. CVE-2025-34297 It was discovered that KissFFT...

USN-8748-1: Linux kernel (NVIDIA) vulnerabilities

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: - Hardware crypto device drivers; - NVIDIA Tegra memory controller driver; - Network drivers; - GFS2 file system; -...

USN-8744-1: Python vulnerabilities

It was discovered that Python's http.cookies module incorrectly handled control characters in certain cookie operations. An attacker could possibly use this issue to inject arbitrary content. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu...

USN-8743-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled backslash escaping in the PostgreSQL extension. An attacker could use this issue to perform SQL injection attacks. CVE-2026-17543 It was discovered that PHP incorrectly handled certain inputs to the bccomp function. An attacker could use this issue t...

USN-8737-2: GNU C Library vulnerabilities

USN-8737-1 fixed vulnerabilities in GNU C Library. This update provides the corresponding fixes for Ubuntu 24.04 LTS. Original advisory details: It was discovered that GNU C Library had a buffer overflow in the strfmon function when handling right-justification padding. An attacker could possibly...

USN-8742-1: Netty vulnerability

It was discovered that Netty incorrectly validates the bailiwick of NS records. An attacker could possibly use this issue to facilitate DNS cache poisoning attacks...

USN-8741-1: Flatpak vulnerabilities

It was discovered that Flatpak did not properly validate paths in sandbox-expose options. A malicious or compromised Flatpak app could use app-controlled symlinks to access arbitrary host files and gain code execution in the host context. This issue was addressed in Ubuntu Ubuntu 20.04 LTS, Ubunt...

USN-8740-1: .NET vulnerabilities

Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did not properly validate cross-origin WebSocket connections. An attacker could possibly use this issue to expose sensitive information. CVE-2026-58649 Rajesh Chada discovered that the .NET watch AspireServerService improperl...

USN-8716-2: FFmpeg vulnerabilities

USN-8716-1 fixed several vulnerabilities in FFmpeg. This update provides the corresponding fix for Ubuntu 26.04 LTS. Original advisory details: It was discovered that FFmpeg incorrectly handled certain crafted media files in the VobSub subtitle demuxer. An attacker could possibly use this issue t...

USN-8675-2: Perl vulnerabilities

USN-8675-1 fixed vulnerabilities in Perl. This update provides the corresponding fix for Perl on Ubuntu 26.04 LTS. Original advisory details: It was discovered that Perl incorrectly handled short source addresses in the Socket module. An attacker could possibly use this issue to trigger an...

USN-8739-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain images. 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-2026-56366, CVE-2026-56368,...

USN-8670-3: curl vulnerability

USN-8670-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 26.04 LTS. Original advisory details: Joshua Rogers discovered that curl incorrectly handled reusing connections when client certificate settings changed. This could result in the wrong client...