#VU121183 Out-of-bounds read in libpng - CVE-2026-22695
Published: January 13, 2026
Vulnerability identifier: #VU121183
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-22695
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libpng
libpng
Software vendor:
libpng
libpng
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information or crash the application.
The vulnerability exists due to a boundary condition within the png_image_finish_read() function when reading 16-bit PNG images with 8-bit output format and non-minimal row stride. A remote attacker can supply a specially crafted PNG image file to the application, trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.
Note, the vulnerability exists due to an incomplete fix for #VU118777 (CVE-2025-65018).
Remediation
Install updates from vendor's website.