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SUSE SLES12 Security Update : libpng16 (SUSE-SU-2026:1311-1)

high Nessus Plugin ID 306501

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1311-1 advisory.

 This update for libpng16 fixes the following issue:

 - CVE-2026-33416: use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE` can lead to arbitrary code execution (bsc#1260754).

Tenable has extracted the preceding description block directly from the SUSE 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 libpng16-16, libpng16-16-32bit, libpng16-compat-devel and / or libpng16-devel packages.

See Also

https://bugzilla.suse.com/1260754

https://www.suse.com/security/cve/CVE-2026-33416

https://lists.suse.com/pipermail/sle-updates/2026-April/045515.html

Plugin Details

Severity: High

ID: 306501

File Name: suse_SU-2026-1311-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/15/2026

Updated: 4/15/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libpng16-compat-devel, p-cpe:/a:novell:suse_linux:libpng16-16, p-cpe:/a:novell:suse_linux:libpng16-devel, p-cpe:/a:novell:suse_linux:libpng16-16-32bit

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/14/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2026-33416

SuSE: SUSE-SU-2026:1311-1