SUSE-SU-2026:0599-1: important: Security update for libpng12

SLE-SECURITY-UPDATES null at suse.de
Tue Feb 24 08:30:09 UTC 2026 


# Security update for libpng12

Announcement ID: SUSE-SU-2026:0599-1  
Release Date: 2026-02-23T15:59:56Z  
Rating: important  
References:

  * bsc#1258020

  
Cross-References:

  * CVE-2026-25646

  
CVSS scores:

  * 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
  * CVE-2026-25646 ( SUSE ):  7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-25646 ( NVD ):  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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-25646 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libpng12 fixes the following issues:

  * CVE-2026-25646: heap buffer overflow vulnerability in
    png_set_dither/png_set_quantize (bsc#1258020).

## 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 openSUSE-SLE-15.6-2026-599=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-599=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-599=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-599=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-599=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-599=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-599=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-599=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-599=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-599=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-599=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-599=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * libpng12-compat-devel-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * openSUSE Leap 15.6 (x86_64)
    * libpng12-0-32bit-1.2.57-150000.4.6.1
    * libpng12-0-32bit-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-32bit-1.2.57-150000.4.6.1
    * libpng12-compat-devel-32bit-1.2.57-150000.4.6.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * libpng12-0-debuginfo-1.2.57-150000.4.6.1
    * libpng12-devel-1.2.57-150000.4.6.1
    * libpng12-debugsource-1.2.57-150000.4.6.1
    * libpng12-0-1.2.57-150000.4.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-25646.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258020

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