SUSE-SU-2025:4494-1: important: Security update for libpng16

SLE-SECURITY-UPDATES null at suse.de
Fri Dec 19 20:30:26 UTC 2025 


# Security update for libpng16

Announcement ID: SUSE-SU-2025:4494-1  
Release Date: 2025-12-19T13:14:28Z  
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:

  * Basesystem Module 15-SP6
  * Basesystem Module 15-SP7
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
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:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2025-4494=1 openSUSE-SLE-15.6-2025-4494=1

  * Basesystem Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-4494=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2025-4494=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * libpng16-tools-debuginfo-1.6.40-150600.3.3.1
    * libpng16-16-1.6.40-150600.3.3.1
    * libpng16-16-debuginfo-1.6.40-150600.3.3.1
    * libpng16-compat-devel-1.6.40-150600.3.3.1
    * libpng16-devel-1.6.40-150600.3.3.1
    * libpng16-tools-1.6.40-150600.3.3.1
    * libpng16-debugsource-1.6.40-150600.3.3.1
  * openSUSE Leap 15.6 (x86_64)
    * libpng16-compat-devel-32bit-1.6.40-150600.3.3.1
    * libpng16-devel-32bit-1.6.40-150600.3.3.1
    * libpng16-16-32bit-1.6.40-150600.3.3.1
    * libpng16-16-32bit-debuginfo-1.6.40-150600.3.3.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * libpng16-16-64bit-debuginfo-1.6.40-150600.3.3.1
    * libpng16-compat-devel-64bit-1.6.40-150600.3.3.1
    * libpng16-16-64bit-1.6.40-150600.3.3.1
    * libpng16-devel-64bit-1.6.40-150600.3.3.1
  * Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    * libpng16-16-1.6.40-150600.3.3.1
    * libpng16-16-debuginfo-1.6.40-150600.3.3.1
    * libpng16-compat-devel-1.6.40-150600.3.3.1
    * libpng16-devel-1.6.40-150600.3.3.1
    * libpng16-debugsource-1.6.40-150600.3.3.1
  * Basesystem Module 15-SP6 (x86_64)
    * libpng16-16-32bit-1.6.40-150600.3.3.1
    * libpng16-16-32bit-debuginfo-1.6.40-150600.3.3.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libpng16-16-1.6.40-150600.3.3.1
    * libpng16-16-debuginfo-1.6.40-150600.3.3.1
    * libpng16-compat-devel-1.6.40-150600.3.3.1
    * libpng16-devel-1.6.40-150600.3.3.1
    * libpng16-debugsource-1.6.40-150600.3.3.1
  * Basesystem Module 15-SP7 (x86_64)
    * libpng16-16-32bit-1.6.40-150600.3.3.1
    * libpng16-16-32bit-debuginfo-1.6.40-150600.3.3.1

## 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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