CVE-2026-66011

MEDIUM4.8

ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Options

Published Jul 25, 2026

Modified 4 weeks ago

Fix available

Details

ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Attackers can trigger memory exhaustion by repeatedly supplying malformed command-line arguments to consume system resources.

Affected Packages

ImageMagick

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1703)Windows 10 (1709)Windows 10 (1803)

Fixed in:

7.1.2.27

References

ADVISORY

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-cvhv-g4rq-3hmw

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-66011

ADVISORY

https://www.vulncheck.com/advisories/imagemagick-before-27-memory-leak-via-invalid-cli-options