SUSE 2026 0596-1 libpng16 Important Heap Buffer Overflow
suse
February 23, 2026
An update that solves five vulnerabilities can now be installed.
Summary
## This update for libpng16 fixes the following issues: * CVE-2025-28162: memory leaks when running `pngimage` (bsc#1257364). * CVE-2025-28164: memory leaks when running `pngimage` (bsc#1257365). * CVE-2026-22695: heap buffer over-read in png_image_finish_read (bsc#1256525). * CVE-2026-22801: integer truncation causing heap buffer over-read in png_image_write_* (bsc#1256526). * CVE-2026-25646: heap buffer overflow vulnerability in png_set_dither/png_set_quantize (bsc#1258020). ## 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 Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2026-596=1
Topics Covered
References
* bsc#1256525
* bsc#1256526
* bsc#1257364
* bsc#1257365
* bsc#1258020
Cross-
* CVE-2025-28162
* CVE-2025-28164
* CVE-2026-22695
* CVE-2026-22801
* CVE-2026-25646
CVSS scores:
* CVE-2025-28162 ( SUSE ): 4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2025-28162 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
* CVE-2025-28162 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2025-28164 ( SUSE ): 4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2025-28164 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
* CVE-2025-28164 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* 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
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:0596-1
Release Date: 2026-02-23T15:57:59Z
Rating: important
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!