Off-by-One Error in ImageMagick MSL Decoder Affecting Multiple Versions
CVE-2026-40312

6.2MEDIUM

Key Information:

Vendor

Imagemagick
Status
Imagemagick
Vendor
CVE Published:
13 April 2026

What is CVE-2026-40312?

A vulnerability exists in the ImageMagick software due to an off-by-one error in its MSL decoder, which can lead to a program crash when processing specially crafted MSL files. This issue affects versions prior to 7.1.2-19 and has been resolved in the latest release. Users are advised to upgrade to the fixed version to enhance their security posture against potential exploitation.

Affected Version(s)

ImageMagick < 7.1.2-19

References

https://github.com/ImageMagick/ImageMagick/security/advis...
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https://github.com/ImageMagick/ImageMagick/commit/2a06c7b...
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https://github.com/ImageMagick/ImageMagick/releases/tag/7...
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CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.