CVE-2026-58380 Gimp: gimp: stack buffer overflow in pnmscanner_gettoken()
An off-by-one error in GIMP's PNM parser allows attackers to cause memory corruption, leading to denial of service or arbitrary code execution via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-58380?
CVE-2026-58380 is a high-severity memory corruption vulnerability in Gimp Gimp, published on 6 Jul 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's PNM file format parser. When parsing a specially crafted PNM file, the pnmscanner_gettoken() function writes a null terminator one byte past the end of a stack-allocated buffer due to an off-by-one error in the loop boundary check. This could lead to memory corruption, potentially resulting in denial of service or arbitrary code execution.
Weakness: CWE-193
Which versions are affected by CVE-2026-58380?
It affects 2 products.
Products include Gimp Gimp, Redhat Enterprise Linux.
How do I fix CVE-2026-58380?
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-2026-58380 being exploited?
There is no known exploitation of CVE-2026-58380 in the wild and no public exploit code.
Other vulnerabilities in Gimp Gimp
Sources
Also known as DEBIAN-CVE-2026-58380, GHSA-c7fj-r3pq-5ph5, UBUNTU-CVE-2026-58380.