CVE-2026-6694

Medium

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.

SeverityMedium

CVSS5.5

Exploit probability—

Product

Redhat Enterprise Linux

PublishedAug 3, 2026

First seenAug 3, 2026

Weakness typeCWE-120CWE-120

How to fix

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
redhat enterprise_linux	6.0, 7.0, 8.0, 9.0	—

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