CVE-2026-123273

NameCVE-2026-123273
DescriptionImageMagick before 7.1.2-35 and 6.9.13-60 contains an infinite loop vulnerability in the SVG decoder because QueueAuthenticPixelCacheNexus in MagickCore/cache.c fails to validate requested region width and height. Attackers can supply a crafted SVG image that repeatedly requests a non-advancing pixel region, consuming CPU and hanging the decoding worker.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
imagemagick (PTS)bookworm8:6.9.11.60+dfsg-1.6+deb12u11vulnerable
bookworm (security)8:6.9.11.60+dfsg-1.6+deb12u15vulnerable
trixie8:7.1.1.43+dfsg1-1+deb13u12vulnerable
trixie (security)8:7.1.1.43+dfsg1-1+deb13u14vulnerable
forky, sid8:7.1.2.34+dfsg1-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksource(unstable)(unfixed)

Notes

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q66g-3m63-78mh
Fixed by: https://github.com/ImageMagick/ImageMagick/commit/c5f2c6c9fb1458f960a506691c9351e9da6d2247 (7.1.2-35)
Fixed by: https://github.com/ImageMagick/ImageMagick6/commit/712e523e7f746d35c963b78555e1c24364a9426e (6.9.13-60)

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