Fedora 45 : libpng12 (2026-e1669a5881)

high Nessus Plugin ID 304506

Synopsis

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

Description

The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-e1669a5881 advisory.

Automatic update for libpng12-1.2.57-25.fc45.

##### **Changelog**

```
* Wed Apr 1 2026 Michal Hlavinka <[email protected]> - 1.2.57-25
- fix CVE-2026-25646: heap buffer overflow in png_set_quantize (rhbz#2438670)

```

Tenable has extracted the preceding description block directly from the Fedora 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 libpng12 package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-e1669a5881

Plugin Details

Severity: High

ID: 304506

File Name: fedora_2026-e1669a5881.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/1/2026

Updated: 4/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, 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:libpng12, cpe:/o:fedoraproject:fedora:45

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: 4/1/2026

Vulnerability Publication Date: 2/10/2026

Reference Information

CVE: CVE-2026-25646

FEDORA: 2026-e1669a5881

IAVA: 2026-A-0135-S