SUSE SLES12 Security Update : libpng16 (SUSE-SU-2026:1601-1)

medium Nessus Plugin ID 310243

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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-2026:1601-1 advisory.

This update for libpng16 fixes the following issue:

- CVE-2026-34757: information disclosure and data corruption due to use-after-free in `png_set_PLTE`, `png_set_tRNS` and `png_set_hIST` (bsc#1261957).

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.

Plugin Details

Severity: Medium

ID: 310243

File Name: suse_SU-2026-1601-1.nasl

Version: 1.2

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/25/2026

Updated: 5/15/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.0

CVSS v2

Risk Factor: Low

Base Score: 3.2

Temporal Score: 2.5

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:N

CVSS Score Source: CVE-2026-34757

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 4

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

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: 4/24/2026

Vulnerability Publication Date: 4/9/2026

Reference Information

CVE: CVE-2026-34757

SuSE: SUSE-SU-2026:1601-1

Detections

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