SUSE SLES12 Security Update : libpng12 (SUSE-SU-2026:1702-1)

medium Nessus Plugin ID 313652

Language:

Synopsis

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

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1702-1 advisory.

Update to version 1.2.59 (jsc#PED-16191).

- 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).
- CVE-2026-34757: use-after-free in `png_set_PLTE`, `png_set_tRNS` and `png_set_hIST` can lead to corrupted chunk data and potential heap information disclosure (bsc#1261957).

Tenable has extracted the preceding description block directly from the SUSE 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 libpng12-0, libpng12-0-32bit, libpng12-compat-devel and / or libpng12-devel packages.

Plugin Details

Severity: Medium

ID: 313652

File Name: suse_SU-2026-1702-1.nasl

Version: 1.2

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/10/2026

Updated: 5/14/2026

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: 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-2026-33416

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

CVSS Score Source: CVE-2026-34757

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libpng12-0-32bit, p-cpe:/a:novell:suse_linux:libpng12-0, p-cpe:/a:novell:suse_linux:libpng12-compat-devel, p-cpe:/a:novell:suse_linux:libpng12-devel

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: 5/6/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2026-33416, CVE-2026-34757

SuSE: SUSE-SU-2026:1702-1

Detections

Analytics