CVE-2026-86421

EUVD-2026-72379
ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 26.73%
Debian logo
Debian Releases
Debian Product
Codename
imagemagick
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
no-dsa
trixie (security)
vulnerable
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4jv7-q6xw-6f4x
https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-memory-leak-via-msl-decoder