Security update for libpng12

Announcement ID:	SUSE-SU-2026:1716-1
Release Date:	2026-05-06T12:11:56Z
Rating:	important
References:	bsc#1141493 bsc#1260754 bsc#1261957 jsc#PED-16191
Cross-References:	CVE-2017-12652 CVE-2026-33416 CVE-2026-34757
CVSS scores:	CVE-2017-12652 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2017-12652 ( SUSE ): 4.0 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2017-12652 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12652 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2017-12652 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-33416 ( SUSE ): 9.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-33416 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-33416 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-34757 ( SUSE ): 5.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2026-34757 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVE-2026-34757 ( NVD ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Products:	Basesystem Module 15-SP7 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 three vulnerabilities and contains one feature can now be installed.

Description:

This update for libpng12 fixes the following issues:

Update to version 1.2.59 (jsc#PED-16191).

Security issues :

• CVE-2017-12652: missing chunk length check can lead to sensitive information disclosure, data corruption or crash (bsc#1141493).
• CVE-2026-33416: use-after-free via pointer aliasing in png_set_tRNS and png_set_PLTE can lead to arbitrary code execution (bsc#1260754).
• CVE-2026-34757: use-after-free in png_set_PLTE, png_set_tRNS and png_set_hIST can lead to corrupted chunk data and potential heap information disclosure (bsc#1261957).

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:

• Basesystem Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1716=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1716=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1716=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1716=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1716=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1716=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1716=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1716=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1716=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1716=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1716=1

Package List:

• Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • libpng12-devel-1.2.59-150000.4.11.1
  • libpng12-0-debuginfo-1.2.59-150000.4.11.1
  • libpng12-0-1.2.59-150000.4.11.1
  • libpng12-debugsource-1.2.59-150000.4.11.1

References:

• https://www.suse.com/security/cve/CVE-2017-12652.html
• https://www.suse.com/security/cve/CVE-2026-33416.html
• https://www.suse.com/security/cve/CVE-2026-34757.html
• https://bugzilla.suse.com/show_bug.cgi?id=1141493
• https://bugzilla.suse.com/show_bug.cgi?id=1260754
• https://bugzilla.suse.com/show_bug.cgi?id=1261957
• https://jira.suse.com/browse/PED-16191