CVE-2026-6694 MEDIUM

CVE-2026-6694: Gimp: gimp file-png plugin: denial of service via oversized apng trns chunk

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-120
Published August 3, 2026
Last update August 3, 2026
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 3, 2026 CVE published