CVE-2026-93586 ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob
A use-after-free flaw in ImageMagick's ImagesToBlob method allows attackers to cause a denial of service via crafted images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-93586?
CVE-2026-93586 is a low-severity use after free vulnerability in Imagemagick Imagemagick, published on 18 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ImageMagick before 7.1.2-31 and before 6.9.13-56 contains a use-after-free vulnerability in the ImagesToBlob method, caused by a pointer that is not updated correctly. Exploitation may result in a limited availability impact (e.g., a crash of the affected process). The issue is fixed in versions 7.1.2-31 and 6.9.13-56.
Weakness: CWE-416
Which versions are affected by CVE-2026-93586?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2026-93586?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-93586 being exploited?
There is no known exploitation of CVE-2026-93586 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as CLSA-2026-1790181479, CLSA-2026-1790181500, DEBIAN-CVE-2026-93586, ECHO-1153-4380-c7a1, GHSA-3rjr-534c-8v67, GHSA-gv7r-qr7j-6hg7 and 2 more.