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Ubuntu 26.04 LTS : libheif vulnerabilities (USN-8774-1)

medium Nessus Plugin ID 346831

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8774-1 advisory.

 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 use this issue to cause a denial of service. (CVE-2026-62377)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-8774-1

Plugin Details

Severity: Medium

ID: 346831

File Name: ubuntu_USN-8774-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/17/2026

Updated: 9/17/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:heif-gdk-pixbuf, p-cpe:/a:canonical:ubuntu_linux:heif-thumbnailer, p-cpe:/a:canonical:ubuntu_linux:heif-view, p-cpe:/a:canonical:ubuntu_linux:libheif-examples, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-aomdec, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-aomenc, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-dav1d, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-ffmpegdec, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-j2kdec, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-j2kenc, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-jpegdec, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-jpegenc, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-kvazaar, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-libde265, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-rav1e, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-svtenc, p-cpe:/a:canonical:ubuntu_linux:libheif-plugin-x265, p-cpe:/a:canonical:ubuntu_linux:libheif-plugins-all, p-cpe:/a:canonical:ubuntu_linux:libheif1

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 9/16/2026

Vulnerability Publication Date: 9/16/2026

Reference Information

USN: 8774-1