CVE-2026-79902 Gimp: stack vla size underflow denial of service in seattle

Medium 5.5 Published Updated

An attacker can cause a denial of service in GIMP by providing a specially crafted SFW image file that triggers a stack allocation crash.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-79902?

CVE-2026-79902 is a medium-severity vulnerability in Gimp Gimp, published on 26 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A flaw was found in the Seattle FilmWorks plugin in GIMP. When processing a specially crafted SFW image file, the plugin allocates a Variable-Length Array (VLA) on the stack without integer overflow checks, causing an unbounded stack allocation. This issue leads to an application crash, resulting in a denial of service.

Weakness: CWE-190

Which versions are affected by CVE-2026-79902?

It affects 1 product.

Products include Gimp Gimp.

How do I fix CVE-2026-79902?

Apply the vendor's patch.

Is CVE-2026-79902 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-79902 exists.

All Gimp Gimp vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79902, GHSA-7m98-q7f5-f6rr, UBUNTU-CVE-2026-79902.

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