Detections
Analytics

Fedora 46 : libpng12 (2026-9729761538)

high Nessus Plugin ID 364570

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 46 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-9729761538 advisory.

 Automatic update for libpng12-1.2.57-27.fc46.

 ##### **Changelog**

 ```
 * Sun Oct 11 2026 Michal Hlavinka <[email protected]> - 1.2.57-27
 - fix CVE-2026-33416: use-after-free via pointer aliasing in png_set_tRNS and png_set_PLTE (rhbz#2452156)
 - fix CVE-2025-64505: heap buffer overflow via malformed palette index (rhbz#2418423)

 ```

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

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

Solution

Update the affected libpng12 package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-9729761538

Plugin Details

Severity: High

ID: 364570

File Name: fedora_2026-9729761538.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/11/2026

Updated: 10/11/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.35

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-33416

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:46, p-cpe:/a:fedoraproject:fedora:libpng12

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/11/2026

Vulnerability Publication Date: 11/11/2025

Reference Information

CVE: CVE-2025-64505, CVE-2026-33416

FEDORA: 2026-9729761538

IAVA: 2026-A-0272-S