CVE-2026-107210 ImageMagick: Policy Bypass in MAT decoder when reading highly compressed data
Attackers can bypass security policies to create oversized temporary files, causing disk exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-107210?
CVE-2026-107210 is a medium-severity denial of service vulnerability in Imagemagick Imagemagick, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-30 and 6.9.13-55, a crafted highly compressed MAT image can make the MAT decoder create temporary files larger than the configured security-policy limit, bypassing resource restrictions and consuming excessive disk space. This issue is fixed in versions 7.1.2-30 and 6.9.13-55.
Weakness: CWE-409
Which versions are affected by CVE-2026-107210?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2026-107210?
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-2026-107210 being exploited?
There is no known exploitation of CVE-2026-107210 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as DEBIAN-CVE-2026-107210, ECHO-b635-0855-4184, MINI-cqg9-vcm6-gc9q, UBUNTU-CVE-2026-107210.