SUSE-SU-2025:4436-1: important: Security update for libpng16

SLE-SECURITY-UPDATES null at suse.de
Wed Dec 17 20:30:15 UTC 2025 


# 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

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