CVE-2026-48994: ImageMagick has a Heap Buffer Over-Write in MAT decoder on 32-bit systems

June 25, 2026

A missing check of a return value could lead to a heap buffer over-write in the MAT decoder on 32-bit systems.

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4v89-6mgq-6rgc
github.com/advisories/GHSA-4v89-6mgq-6rgc
github.com/dlemstra/Magick.NET/releases/tag/14.14.0
nvd.nist.gov/vuln/detail/CVE-2026-48994

Code Behaviors & Features

Detect and mitigate CVE-2026-48994 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →