Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : libheif vulnerabilities (USN-8454-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8454-1 advisory. Elhanan Haenel discovered that libheif incorrectly handled certain malformed HEIF sequence files...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Netatalk vulnerabilities (USN-8395-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8395-1 advisory. Arjun Basnet discovered that Netatalk incorrectly sanitized user input in its MyS...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : pyOpenSSL vulnerability (USN-8335-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8335-1 advisory. It was discovered that pyOpenSSL incorrectly handled exceptions in the tlsextservername callback. This could result in connections being...

USN-8156-2: GDK-PixBuf vulnerability

USN-8156-1 fixed a vulnerability in GDK-PixBuf. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that GDK-PixBuf incorrectly handled certain JPEG files. An attacker could use this issue to caus...

USN-8401-1 netty vulnerabilities

It was discovered that Netty's HTTP proxy handler did not properly validate headers when constructing CONNECT requests. An attacker could possibly use this issue to inject arbitrary HTTP headers into CONNECT requests. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,...

USN-8386-1: Nano vulnerabilities

Michał Majchrowicz and Marcin Wyczechowski discovered that Nano created the /.local directory with incorrect permissions. In environments with permissive umask settings, a local attacker could possibly use this issue to inject a malicious launcher file, resulting in information disclosure or othe...

USN-8386-1 nano vulnerabilities

Michał Majchrowicz and Marcin Wyczechowski discovered that Nano created the /.local directory with incorrect permissions. In environments with permissive umask settings, a local attacker could possibly use this issue to inject a malicious launcher file, resulting in information disclosure or othe...

USN-8382-1: Exim vulnerabilities

Timo Longin discovered that Exim incorrectly handled certain SMTP messages in PIPELINING/CHUNKING configurations. A remote attacker could possibly use this issue to perform SMTP smuggling. This issue only affected Ubuntu 14.04 LTS. CVE-2023-51766 It was discovered that Exim incorrectly handled...

USN-8238-2 editorconfig-core vulnerability

USN-8238-1 fixed a vulnerability in EditorConfig. This update contains the corresponding fix for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. Original advisory details: It was discovered that EditorConfig incorrectly handled specially crafted configuration files. A...

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-8363-1 mysql-8.0, mysql-8.4 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-8209-2 lcms2 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...

CVE-2026-47327

CVE-2026-47327 affects Ubuntu Linux 6.8, 6.17 and 7.0 where SAUCE patches introduce a NULL pointer dereference in AppArmor notification handling. The flaw can be triggered by an unprivileged local user and may lead to a kernel oops. The available documents do not provide exploit code, specific vu...

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'...

Canonical Ubuntu Linux 安全漏洞

Canonical Ubuntu Linux is a Linux operating system developed by the British company Canonical. The Canonical Ubuntu Linux 6.8, 7.17, and 7.0 versions have security vulnerabilities. These vulnerabilities stem from the use of uninitialized variables in notification processing code, which may lead t...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Rclone vulnerabilities (USN-8299-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8299-1 advisory. It was discovered that Rclone incorrectly handled authorization in the remote control API. An attacker could...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : GitPython vulnerabilities (USN-8303-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8303-1 advisory. Santos Gallegos discovered that GitPython did not properly validate paths when...

USN-8306-1 samba vulnerabilities

Asim Viladi Oglu Manizada discovered that Samba incorrectly handled access checks on reparse point operations. An attacker could possibly use this issue to modify reparse point extended attributes on files that should have been read-only. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS...

PT-2026-43439

Name of the Vulnerable Software and Affected Versions ctdb versions prior to 4.23.8+git.477.f78166bceed-1.1 Description A denial of service issue exists against the AD DC WINS server. Recommendations Update to version 4.23.8+git.477.f78166bceed-1.1...

PT-2026-43437

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description A flaw exists in the vfs worm module, which is designed to provide write-once, read-many WORM protections by preventing file modifications after a specific grace period. Due to insufficient...