SUSE-SU-2026:0364-1: moderate: Security update for libpng16

[SLE-UPDATES]

# Security update for libpng16

Announcement ID: SUSE-SU-2026:0364-1  
Release Date: 2026-02-03T09:51:01Z  
Rating: moderate  
References:

  * bsc#1257364
  * bsc#1257365

  
Cross-References:

  * CVE-2025-28162
  * CVE-2025-28164

  
CVSS scores:

  * 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-2025-28162 ( 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 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * 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-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 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for libpng16 fixes the following issues:

  * CVE-2025-28162: memory leaks when running `pngimage` (bsc#1257364).
  * CVE-2025-28164: memory leaks when running `pngimage` (bsc#1257365).
  * CVE-2026-22695: Fixed heap buffer over-read in png_image_finish_read
    (bsc#1256525).

## Patch Instructions:

To install this SUSE 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 15.6  
    zypper in -t patch SUSE-2026-364=1 openSUSE-SLE-15.6-2026-364=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-364=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * libpng16-16-debuginfo-1.6.40-150600.3.9.1
    * libpng16-tools-debuginfo-1.6.40-150600.3.9.1
    * libpng16-compat-devel-1.6.40-150600.3.9.1
    * libpng16-devel-1.6.40-150600.3.9.1
    * libpng16-tools-1.6.40-150600.3.9.1
    * libpng16-16-1.6.40-150600.3.9.1
    * libpng16-debugsource-1.6.40-150600.3.9.1
  * openSUSE Leap 15.6 (x86_64)
    * libpng16-16-32bit-debuginfo-1.6.40-150600.3.9.1
    * libpng16-devel-32bit-1.6.40-150600.3.9.1
    * libpng16-compat-devel-32bit-1.6.40-150600.3.9.1
    * libpng16-16-32bit-1.6.40-150600.3.9.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * libpng16-16-64bit-debuginfo-1.6.40-150600.3.9.1
    * libpng16-16-64bit-1.6.40-150600.3.9.1
    * libpng16-devel-64bit-1.6.40-150600.3.9.1
    * libpng16-compat-devel-64bit-1.6.40-150600.3.9.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libpng16-16-debuginfo-1.6.40-150600.3.9.1
    * libpng16-compat-devel-1.6.40-150600.3.9.1
    * libpng16-devel-1.6.40-150600.3.9.1
    * libpng16-16-1.6.40-150600.3.9.1
    * libpng16-debugsource-1.6.40-150600.3.9.1
  * Basesystem Module 15-SP7 (x86_64)
    * libpng16-16-32bit-debuginfo-1.6.40-150600.3.9.1
    * libpng16-16-32bit-1.6.40-150600.3.9.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-28162.html
  * https://www.suse.com/security/cve/CVE-2025-28164.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1257364
  * https://bugzilla.suse.com/show_bug.cgi?id=1257365

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