CVE-2026-40312

ImageMagick: Off-by-One in MSL decoder could result in crash

CVSS 6.2 MEDIUMEPSS 0.2%CWE-193

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.2EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

13 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, an off by one error in the MSL decoder could result in a crash when a malicous MSL file is read. This issue has been fixed in version 7.1.2-19.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

ImageMagick · ImageMagick

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References

https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0 https://github.com/ImageMagick/ImageMagick/commit/2a06c7be3bba3326caf8b7a8d1fa2e0d4b88998d https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19 https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5xg3-585r-9jh5