CVE-2026-6694

Description

A flaw was found in GIMP's file-png plugin. A remote attacker can exploit this by crafting a malicious Animated Portable Network Graphics (APNG) image containing an oversized tRNS chunk. This can lead to a stack-based buffer overflow (CWE-121), causing the file-png plugin to crash and resulting in a Denial of Service (DoS) for the user.

CVSS Vector

References

• https://access.redhat.com/security/cve/CVE-2026-6694
• https://bugzilla.redhat.com/show_bug.cgi?id=2459779