The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7963-1 advisory.

    It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial     transparency and gamma correction. If a user or automated system were tricked into opening a specially     crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of     service. (CVE-2025-66293)

    Petr Simecek, Stanislav Fort and Pavel Kohout discovered that the libpng simplified API incorrectly     processed interlaced 16-bit PNGs with 8-bit output format and non-minimal row strides. If a user or     automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue     to cause libpng to crash, resulting in a denial of service. (CVE-2026-22695)

    Cosmin Truta discovered that the libpng simplified API incorrectly handled invalid row strides. If a user     or automated system were tricked into opening a specially crafted PNG file, an attacker could use this     issue to cause libpng to crash, resulting in a denial of service. (CVE-2026-22801)

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

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

Detections

Analytics

Ubuntu 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : libpng vulnerabilities (USN-7963-1)

high Nessus Plugin ID 288870

Version 1.2

Version 1.1

Version 1.2 Feb 10, 2026, 11:15 AM CVSS metrics ("CVSSv3 score" set to 7.8) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H") CVSSv3 score source (set to "CVE-2026-22801") Plugin Feed: 202602101115
Version 1.1 Jan 16, 2026, 10:12 PM New Plugin Feed: 202601162212