SUSE-SU-2026:0085-1: important: Security update for libpng16

[SLE-SECURITY-UPDATES]

# Security update for libpng16

Announcement ID: SUSE-SU-2026:0085-1  
Release Date: 2026-01-09T15:01:42Z  
Rating: important  
References:

  * bsc#1254480

  
Cross-References:

  * CVE-2025-66293

  
CVSS scores:

  * CVE-2025-66293 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-66293 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2025-66293 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libpng16 fixes the following issues:

  * CVE-2025-66293: out-of-bounds read of the `png_sRGB_base` array when
    processing palette PNG images with partial transparency and gamma correction
    (bsc#1254480).

## 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:

  * SUSE Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-85=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-85=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libpng16-16-debuginfo-1.6.8-15.12.1
    * libpng16-16-1.6.8-15.12.1
    * libpng16-debugsource-1.6.8-15.12.1
    * libpng16-devel-1.6.8-15.12.1
    * libpng16-compat-devel-1.6.8-15.12.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libpng16-16-debuginfo-32bit-1.6.8-15.12.1
    * libpng16-16-32bit-1.6.8-15.12.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libpng16-16-debuginfo-1.6.8-15.12.1
    * libpng16-16-1.6.8-15.12.1
    * libpng16-debugsource-1.6.8-15.12.1
    * libpng16-16-32bit-1.6.8-15.12.1
    * libpng16-16-debuginfo-32bit-1.6.8-15.12.1
    * libpng16-devel-1.6.8-15.12.1
    * libpng16-compat-devel-1.6.8-15.12.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-66293.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254480

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