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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, CVE-2026-56371, CVE-2026-56373) It was discovered that ImageMagick incorrectly handled certain images. An 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 26.04 LTS. (CVE-2026-56370) It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. 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-2026-56378) It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code. 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-2026-56379) It was discovered that ImageMagick incorrectly handled memory allocation in certain operations. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-61465) 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 22.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-61857) It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-61863, CVE-2026-61864, CVE-2026-61865, CVE-2026-61870) 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 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-61866) It was discovered that ImageMagick incorrectly handled certain images on 32-bit systems. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-62946)

USN-8670-3: curl vulnerability

Ubuntu Security Advisories

14 hours 9 minutes ago

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 certificates being used, contrary to expectations.

USN-8679-2: Vim vulnerability

Ubuntu Security Advisories

14 hours 17 minutes ago

USN-8679-1 fixed a vulnerability in Vim. This update provides the corresponding update for Ubuntu 26.04 LTS. Original advisory details: It was discovered that Vim incorrectly handled certain tags files. An attacker could possibly use this issue to execute arbitrary code.

USN-8738-1: FFmpeg vulnerabilities

Ubuntu Security Advisories

14 hours 29 minutes ago

It was discovered that FFmpeg incorrectly handled certain video frames when using the hqdn3d filter. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-66036) Adrian Junge discovered that FFmpeg incorrectly handled certain compressed video files. An attacker could possibly use this issue to expose sensitive information. (CVE-2026-66038) Adrian Junge discovered that FFmpeg incorrectly handled certain audio files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-66039) Adrian Junge discovered that FFmpeg incorrectly handled certain subtitle files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-70628) Adrian Junge discovered that FFmpeg incorrectly handled certain video files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-70632)

USN-8737-1: GNU C Library vulnerabilities

Ubuntu Security Advisories

16 hours 12 minutes ago

It was discovered that GNU C Library had a buffer overflow in the strfmon function when handling right-justification padding. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-19499) It was discovered that GNU C Library had an out-of-bounds stack array access in the tdelete function. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-19542) It was discovered that GNU C Library incorrectly handled memory when calling wordexp with the WRDE_APPEND flag. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-6368) It was discovered that GNU C Library had a stack overflow in the wordexp function when expanding paths beginning with a tilde followed by a long username. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-6791) It was discovered that GNU C Library had a hang in the SHIFT_JISX0213 character set converter. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-77117) It was discovered that GNU C Library had a hang in the EUC_JISX0213 character set converter. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-80489)

USN-8736-1: Perl vulnerabilities

Ubuntu Security Advisories

17 hours 4 minutes ago

It was discovered that Perl incorrectly handled certain large inputs during regular expression matching. An attacker could possibly use this issue to trigger out-of-bounds heap reads or writes, resulting in a denial of service or arbitrary code execution. (CVE-2026-15534) It was discovered that Perl incorrectly handled certain regular expression containing alternative matching branches. An attacker could possibly use this issue to cause incorrect regular expression matches, resulting in security restrictions being bypassed. (CVE-2026-19487)

USN-8735-1: HSQLDB vulnerability

Ubuntu Security Advisories

19 hours 38 minutes ago

It was discovered that HSQLDB incorrectly handled specially crafted database files. An attacker could possibly use this issue to overwrite arbitrary files.