JLSEC-2026-1083 Medium 4.8

ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line...

JLSEC Published: Jul 30, 2026
Modified: Jul 30, 2026
Severity: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Affected Packages: ImageMagick_jll < 7.1.2029+0
Upstream: CVE-2026-66011 GHSA-c28x-m839-79fq EUVD-2026-49042

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.

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-cvhv-g4rq-3hmw
https://github.com/advisories/GHSA-c28x-m839-79fq
https://nvd.nist.gov/vuln/detail/CVE-2026-66011
https://www.vulncheck.com/advisories/imagemagick-before-27-memory-leak-via-invalid-cli-options