CVE-2026-109267 ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Stack Overflow in MSL Decoder
Attackers can cause a denial of service by supplying crafted MSL images that trigger a stack overflow in ImageMagick.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-109267?
CVE-2026-109267 is a medium-severity denial of service vulnerability in ImageMagick, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a stack overflow in the MSL decoder caused by an incorrect depth check that fails to limit recursion. Attackers can supply a set of crafted MSL images that exhaust the stack when one of them is read, crashing the process and causing a denial of service.
Weakness: CWE-674
Which versions are affected by CVE-2026-109267?
How do I fix CVE-2026-109267?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-109267 being exploited?
There is no known exploitation of CVE-2026-109267 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-109267, ECHO-94cf-c66b-c4b8, GHSA-462x-739v-qvq2, GHSA-m4x9-m38x-9jc8, UBUNTU-CVE-2026-109267.