Detections
Analytics

Fedora 43 : libpng (2026-a9ae661fa2)

high Nessus Plugin ID 299239

Synopsis

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

Description

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a9ae661fa2 advisory.

 Version 1.6.54 [January 12, 2026] Fixed CVE-2026-22695 (medium severity):
 Heap buffer over-read in `png_image_read_direct_scaled`.
 Fixed CVE-2026-22801 (medium severity):
 Integer truncation causing heap buffer over-read in `png_image_write_*`.

 Version 1.6.55 [February 9, 2026] Fixed CVE-2026-25646 (high severity):
 Heap buffer overflow in `png_set_quantize`.


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 2:libpng package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-a9ae661fa2

Plugin Details

Severity: High

ID: 299239

File Name: fedora_2026-a9ae661fa2.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/16/2026

Updated: 2/16/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2026-25646

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:libpng, cpe:/o:fedoraproject:fedora:43

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: 2/13/2026

Vulnerability Publication Date: 1/12/2026

Reference Information

CVE: CVE-2026-22695, CVE-2026-22801, CVE-2026-25646

FEDORA: 2026-a9ae661fa2

IAVA: 2026-A-0030-S, 2026-A-0135