Security update for libpng16

Announcement ID: SUSE-SU-2026:20127-1
Release Date: 2026-01-22T14:29:42Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2026-22695 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-22695 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  • CVE-2026-22695 ( NVD ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  • CVE-2026-22695 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
  • CVE-2026-22801 ( SUSE ): 7.0 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-22801 ( SUSE ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  • CVE-2026-22801 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-22801 ( NVD ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise Server 16.0
  • SUSE Linux Enterprise Server for SAP Applications 16.0

An update that solves two vulnerabilities can now be installed.

Description:

This update for libpng16 fixes the following issues:

  • CVE-2026-22695: Fixed heap buffer over-read in png_image_finish_read (bsc#1256525).
  • CVE-2026-22801: Fixed integer truncation causing heap buffer over-read in png_image_write_* (bsc#1256526).

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 Server 16.0
    zypper in -t patch SUSE-SLES-16.0-172=1
  • SUSE Linux Enterprise Server for SAP Applications 16.0
    zypper in -t patch SUSE-SLES-16.0-172=1

Package List:

  • SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    • libpng16-debugsource-1.6.44-160000.4.1
    • libpng16-tools-1.6.44-160000.4.1
    • libpng16-16-1.6.44-160000.4.1
    • libpng16-devel-1.6.44-160000.4.1
    • libpng16-tools-debuginfo-1.6.44-160000.4.1
    • libpng16-compat-devel-1.6.44-160000.4.1
    • libpng16-16-debuginfo-1.6.44-160000.4.1
  • SUSE Linux Enterprise Server 16.0 (x86_64)
    • libpng16-16-x86-64-v3-debuginfo-1.6.44-160000.4.1
    • libpng16-devel-x86-64-v3-1.6.44-160000.4.1
    • libpng16-16-x86-64-v3-1.6.44-160000.4.1
    • libpng16-compat-devel-x86-64-v3-1.6.44-160000.4.1
  • SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
    • libpng16-debugsource-1.6.44-160000.4.1
    • libpng16-tools-1.6.44-160000.4.1
    • libpng16-16-1.6.44-160000.4.1
    • libpng16-devel-1.6.44-160000.4.1
    • libpng16-tools-debuginfo-1.6.44-160000.4.1
    • libpng16-compat-devel-1.6.44-160000.4.1
    • libpng16-16-debuginfo-1.6.44-160000.4.1
  • SUSE Linux Enterprise Server for SAP Applications 16.0 (x86_64)
    • libpng16-16-x86-64-v3-debuginfo-1.6.44-160000.4.1
    • libpng16-devel-x86-64-v3-1.6.44-160000.4.1
    • libpng16-16-x86-64-v3-1.6.44-160000.4.1
    • libpng16-compat-devel-x86-64-v3-1.6.44-160000.4.1

References: