Security update for libpng16

Announcement ID:	SUSE-SU-2025:4436-1
Release Date:	2025-12-17T13:56:34Z
Rating:	important
References:	bsc#1254157 bsc#1254158 bsc#1254159 bsc#1254160 bsc#1254480
Cross-References:	CVE-2025-64505 CVE-2025-64506 CVE-2025-64720 CVE-2025-65018 CVE-2025-66293
CVSS scores:	CVE-2025-64505 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-64505 ( SUSE ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2025-64505 ( NVD ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVE-2025-64506 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-64506 ( SUSE ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2025-64506 ( NVD ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVE-2025-64720 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-64720 ( SUSE ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2025-64720 ( NVD ): 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVE-2025-65018 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-65018 ( SUSE ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2025-65018 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H 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 Enterprise Storage 7.1 SUSE Linux Enterprise High Performance Computing 15 SP3 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 SP3 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Micro for Rancher 5.2 SUSE Linux Enterprise Micro for Rancher 5.3 SUSE Linux Enterprise Micro for Rancher 5.4 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP3 LTSS 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 for SAP Applications 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Manager Proxy 4.3 SUSE Manager Proxy 4.3 LTS SUSE Manager Retail Branch Server 4.3 SUSE Manager Retail Branch Server 4.3 LTS SUSE Manager Server 4.3 SUSE Manager Server 4.3 LTS

An update that solves five vulnerabilities can now be installed.

Description:

This update for libpng16 fixes the following issues:

• CVE-2025-65018: Fixed heap buffer overflow in png_combine_row triggered via png_image_finish_read (bsc#1254160)
• CVE-2025-66293: Fixed LIBPNG out-of-bounds read in png_image_read_composite (bsc#1254480)
• CVE-2025-64506: Fixed heap buffer over-read in png_write_image_8bit with 8-bit input and convert_to_8bit enabled (bsc#1254158)
• CVE-2025-64720: Fixed buffer overflow in png_image_read_composite via incorrect palette premultiplication (bsc#1254159)
• CVE-2025-64505: Fixed heap buffer over-read in png_do_quantize via malformed palette index (bsc#1254157)

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 Micro for Rancher 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2025-4436=1
• SUSE Linux Enterprise Micro 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2025-4436=1
• SUSE Linux Enterprise Micro for Rancher 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2025-4436=1
• SUSE Linux Enterprise Micro 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2025-4436=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2025-4436=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-4436=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-4436=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-4436=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-4436=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-4436=1
• SUSE Linux Enterprise Server 15 SP3 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-4436=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-4436=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-4436=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-4436=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2025-4436=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-4436=1
• SUSE Manager Proxy 4.3 LTS
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-LTS-2025-4436=1
• SUSE Manager Retail Branch Server 4.3 LTS
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.3-LTS-2025-4436=1
• SUSE Manager Server 4.3 LTS
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-LTS-2025-4436=1
• SUSE Enterprise Storage 7.1
  zypper in -t patch SUSE-Storage-7.1-2025-4436=1
• SUSE Linux Enterprise Micro 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-4436=1
• SUSE Linux Enterprise Micro for Rancher 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-4436=1

Package List:

• SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64 x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 ppc64le s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server 15 SP3 LTSS (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Manager Proxy 4.3 LTS (x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Manager Retail Branch Server 4.3 LTS (x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Manager Server 4.3 LTS (ppc64le s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Manager Server 4.3 LTS (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Enterprise Storage 7.1 (aarch64 x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
  • libpng16-compat-devel-1.6.34-150000.3.12.1
  • libpng16-devel-1.6.34-150000.3.12.1
• SUSE Enterprise Storage 7.1 (x86_64)
  • libpng16-16-32bit-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-32bit-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
  • libpng16-debugsource-1.6.34-150000.3.12.1
  • libpng16-16-debuginfo-1.6.34-150000.3.12.1
  • libpng16-16-1.6.34-150000.3.12.1

References:

• https://www.suse.com/security/cve/CVE-2025-64505.html
• https://www.suse.com/security/cve/CVE-2025-64506.html
• https://www.suse.com/security/cve/CVE-2025-64720.html
• https://www.suse.com/security/cve/CVE-2025-65018.html
• https://www.suse.com/security/cve/CVE-2025-66293.html
• https://bugzilla.suse.com/show_bug.cgi?id=1254157
• https://bugzilla.suse.com/show_bug.cgi?id=1254158
• https://bugzilla.suse.com/show_bug.cgi?id=1254159
• https://bugzilla.suse.com/show_bug.cgi?id=1254160
• https://bugzilla.suse.com/show_bug.cgi?id=1254480