CVE-2026-40918 Gimp: gimp: denial of service via crafted pvr image file
A crafted PVR image file causes a crash in GIMP via stack-based buffer overflow and out-of-bounds read, leading to denial of service.
- 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-2026-40918?
CVE-2026-40918 is a medium-severity memory corruption vulnerability in Gimp Gimp, published on 15 Apr 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 GIMP. Processing a specially crafted PVR image file with large dimensions can lead to a denial of service (DoS). This occurs due to a stack-based buffer overflow and an out-of-bounds read in the PVR image loader, causing the application to crash. Systems that process untrusted PVR image files are affected.
Weakness: CWE-131
Which versions are affected by CVE-2026-40918?
It affects 2 products.
Products include Gimp Gimp, Redhat Enterprise Linux.
How do I fix CVE-2026-40918?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-40918 being exploited?
There is no known exploitation of CVE-2026-40918 in the wild and no public exploit code.
Other vulnerabilities in Gimp Gimp
Sources
Also known as DEBIAN-CVE-2026-40918, GHSA-qh6q-mfp5-q5wr, UBUNTU-CVE-2026-40918.