Security update for libpng16

Announcement ID: SUSE-SU-2026:0234-1
Release Date: 2026-01-22T12:24:52Z
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:
  • Basesystem Module 15-SP7
  • openSUSE Leap 15.6
  • SUSE Linux Enterprise Desktop 15 SP7
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

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:

  • openSUSE Leap 15.6
    zypper in -t patch SUSE-2026-234=1 openSUSE-SLE-15.6-2026-234=1
  • Basesystem Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-234=1

Package List:

  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • libpng16-16-debuginfo-1.6.40-150600.3.6.1
    • libpng16-devel-1.6.40-150600.3.6.1
    • libpng16-tools-1.6.40-150600.3.6.1
    • libpng16-16-1.6.40-150600.3.6.1
    • libpng16-compat-devel-1.6.40-150600.3.6.1
    • libpng16-tools-debuginfo-1.6.40-150600.3.6.1
    • libpng16-debugsource-1.6.40-150600.3.6.1
  • openSUSE Leap 15.6 (x86_64)
    • libpng16-16-32bit-debuginfo-1.6.40-150600.3.6.1
    • libpng16-compat-devel-32bit-1.6.40-150600.3.6.1
    • libpng16-devel-32bit-1.6.40-150600.3.6.1
    • libpng16-16-32bit-1.6.40-150600.3.6.1
  • openSUSE Leap 15.6 (aarch64_ilp32)
    • libpng16-devel-64bit-1.6.40-150600.3.6.1
    • libpng16-16-64bit-1.6.40-150600.3.6.1
    • libpng16-16-64bit-debuginfo-1.6.40-150600.3.6.1
    • libpng16-compat-devel-64bit-1.6.40-150600.3.6.1
  • Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • libpng16-16-debuginfo-1.6.40-150600.3.6.1
    • libpng16-devel-1.6.40-150600.3.6.1
    • libpng16-16-1.6.40-150600.3.6.1
    • libpng16-compat-devel-1.6.40-150600.3.6.1
    • libpng16-debugsource-1.6.40-150600.3.6.1
  • Basesystem Module 15-SP7 (x86_64)
    • libpng16-16-32bit-debuginfo-1.6.40-150600.3.6.1
    • libpng16-16-32bit-1.6.40-150600.3.6.1

References: