Security update for libpng16 SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2026:20083-1 Final 1 1 2026-01-22T14:29:42Z current 2026-01-22T14:29:42Z 2026-01-22T14:29:42Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for libpng16 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). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). openSUSE-Leap-16.0-172 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1256525 SUSE Bug 1256525 https://bugzilla.suse.com/1256526 SUSE Bug 1256526 https://www.suse.com/security/cve/CVE-2026-22695/ SUSE CVE CVE-2026-22695 page https://www.suse.com/security/cve/CVE-2026-22801/ SUSE CVE CVE-2026-22801 page openSUSE Leap 16.0 libpng16-16-1.6.44-160000.4.1 libpng16-16-x86-64-v3-1.6.44-160000.4.1 libpng16-compat-devel-1.6.44-160000.4.1 libpng16-compat-devel-x86-64-v3-1.6.44-160000.4.1 libpng16-devel-1.6.44-160000.4.1 libpng16-devel-x86-64-v3-1.6.44-160000.4.1 libpng16-tools-1.6.44-160000.4.1 libpng16-16-1.6.44-160000.4.1 as a component of openSUSE Leap 16.0 libpng16-16-x86-64-v3-1.6.44-160000.4.1 as a component of openSUSE Leap 16.0 libpng16-compat-devel-1.6.44-160000.4.1 as a component of openSUSE Leap 16.0 libpng16-compat-devel-x86-64-v3-1.6.44-160000.4.1 as a component of openSUSE Leap 16.0 libpng16-devel-1.6.44-160000.4.1 as a component of openSUSE Leap 16.0 libpng16-devel-x86-64-v3-1.6.44-160000.4.1 as a component of openSUSE Leap 16.0 libpng16-tools-1.6.44-160000.4.1 as a component of openSUSE Leap 16.0 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54. CVE-2026-22695 openSUSE Leap 16.0:libpng16-16-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-16-x86-64-v3-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-compat-devel-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-compat-devel-x86-64-v3-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-devel-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-devel-x86-64-v3-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-tools-1.6.44-160000.4.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-22695.html CVE-2026-22695 https://bugzilla.suse.com/1256525 SUSE Bug 1256525 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.26 to 1.6.53, there is an integer truncation in the libpng simplified write API functions png_write_image_16bit and png_write_image_8bit causes heap buffer over-read when the caller provides a negative row stride (for bottom-up image layouts) or a stride exceeding 65535 bytes. The bug was introduced in libpng 1.6.26 (October 2016) by casts added to silence compiler warnings on 16-bit systems. This vulnerability is fixed in 1.6.54. CVE-2026-22801 openSUSE Leap 16.0:libpng16-16-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-16-x86-64-v3-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-compat-devel-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-compat-devel-x86-64-v3-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-devel-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-devel-x86-64-v3-1.6.44-160000.4.1 openSUSE Leap 16.0:libpng16-tools-1.6.44-160000.4.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-22801.html CVE-2026-22801 https://bugzilla.suse.com/1256526 SUSE Bug 1256526