Security update for libpng16

Announcement ID: SUSE-SU-2025:21220-1
Release Date: 2025-12-16T08:25:26Z
Rating: important
References:
Cross-References:
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 Linux Micro 6.1

An update that solves five vulnerabilities can now be installed.

Description:

This update for libpng16 fixes the following issues:

  • CVE-2025-66293: Fixed out-of-bounds read in png_image_read_composite (bsc#1254480).
  • CVE-2025-64505: Fixed heap buffer over-read in png_do_quantize via malformed palette index (bsc#1254157).
  • 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-2025-65018: Fixed heap buffer overflow in png_combine_row triggered via png_image_finish_read (bsc#1254160).

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 Micro 6.1
    zypper in -t patch SUSE-SLE-Micro-6.1-354=1

Package List:

  • SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    • libpng16-debugsource-1.6.43-slfo.1.1_2.1
    • libpng16-16-1.6.43-slfo.1.1_2.1
    • libpng16-16-debuginfo-1.6.43-slfo.1.1_2.1

References: