Detections
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SUSE SLES15 Security Update : libpng16 (SUSE-SU-2026:0596-1)

high Nessus Plugin ID 299850

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0596-1 advisory.

 - CVE-2025-28162: memory leaks when running `pngimage` (bsc#1257364).
 - CVE-2025-28164: memory leaks when running `pngimage` (bsc#1257365).
 - CVE-2026-22695: heap buffer over-read in png_image_finish_read (bsc#1256525).
 - CVE-2026-22801: integer truncation causing heap buffer over-read in png_image_write_* (bsc#1256526).
 - CVE-2026-25646: heap buffer overflow vulnerability in png_set_dither/png_set_quantize (bsc#1258020).

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 libpng16-16, libpng16-16-32bit, libpng16-compat-devel and / or libpng16-devel packages.

See Also

https://bugzilla.suse.com/1256525

https://bugzilla.suse.com/1256526

https://bugzilla.suse.com/1257364

https://bugzilla.suse.com/1257365

https://bugzilla.suse.com/1258020

http://www.nessus.org/u?2af85bbb

https://www.suse.com/security/cve/CVE-2025-28162

https://www.suse.com/security/cve/CVE-2025-28164

https://www.suse.com/security/cve/CVE-2026-22695

https://www.suse.com/security/cve/CVE-2026-22801

https://www.suse.com/security/cve/CVE-2026-25646

Plugin Details

Severity: High

ID: 299850

File Name: suse_SU-2026-0596-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/24/2026

Updated: 2/24/2026

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:novell:suse_linux:libpng16-compat-devel, p-cpe:/a:novell:suse_linux:libpng16-16, p-cpe:/a:novell:suse_linux:libpng16-devel, cpe:/o:novell:suse_linux:15, 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: 2/23/2026

Vulnerability Publication Date: 1/12/2026

Reference Information

CVE: CVE-2025-28162, CVE-2025-28164, CVE-2026-22695, CVE-2026-22801, CVE-2026-25646

SuSE: SUSE-SU-2026:0596-1