SUSE alert openSUSE-SU-2026:20378-1 (libpng16)

From:
             
 
null@suse.de
To:
             
 
security-announce@lists.opensuse.org
Subject:
             
 
openSUSE-SU-2026:20378-1: important: Security update for libpng16
Date:
             
 
Wed, 25 Mar 2026 17:52:05 +0100
Message-ID:
             
 
<20260325165205.39F1CFD57@maintenance.suse.de>
Archive-link:
             
 
Article
openSUSE security update: security update for libpng16
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20378-1
Rating: important
References:

  * bsc#1257364
  * bsc#1257365
  * bsc#1258020



Cross-References:

  * CVE-2025-28162
  * CVE-2025-28164
  * CVE-2026-25646



CVSS scores:

  * CVE-2025-28162 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-28162 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-28164 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-28164 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-25646 ( SUSE ): 7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-25646 ( SUSE ): 8.3 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

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 3 vulnerabilities and has 3 bug fixes can now be installed.

Description:

This update for libpng16 fixes the following issues:

- CVE-2026-25646: Heap buffer overflow vulnerability in png_set_dither/png_set_quantize
(bsc#1258020)
- CVE-2025-28162: Fixed a memory leaks when running `pngimage`. (bsc#1257364)
- CVE-2025-28164: Fixed a memory leaks when running `pngimage`. (bsc#1257365)


Patch instructions:

   To install this openSUSE security update use the suse recommended installation methods
   like YaST online_update or "zypper patch".
   Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-396=1

Package List:

- openSUSE Leap 16.0:

  libpng16-16-1.6.44-160000.5.1
  libpng16-16-x86-64-v3-1.6.44-160000.5.1
  libpng16-compat-devel-1.6.44-160000.5.1
  libpng16-compat-devel-x86-64-v3-1.6.44-160000.5.1
  libpng16-devel-1.6.44-160000.5.1
  libpng16-devel-x86-64-v3-1.6.44-160000.5.1
  libpng16-tools-1.6.44-160000.5.1

References:

  * https://www.suse.com/security/cve/CVE-2025-28162.html
  * https://www.suse.com/security/cve/CVE-2025-28164.html
  * https://www.suse.com/security/cve/CVE-2026-25646.html