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