ImageMagick: Stack Overflow via Recursive FX Expression Parsing

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Summary

CVECVE-2026-33902
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-13 22:16:28 UTC
Updated2026-04-13 22:16:28 UTC
DescriptionImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a stack overflow vulnerability in ImageMagick's FX expression parser allows an attacker to crash the process by providing a deeply nested expression. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: CWE-674 | CWE-674 CWE-674: Uncontrolled Recursion

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
3.1CNADECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ImageMagick ImageMagick affected < 7.1.2-19 Not specified
CNA ImageMagick ImageMagick affected < 6.9.13-44 Not specified

References

ReferenceSourceLinkTags
github.com/ImageMagick/ImageMagick/commit/d3c0a37485314c5ccef72efb18f384... [email protected] github.com
github.com/ImageMagick/ImageMagick/security/advisories/GHSA-f4qm-vj5j-9xpw [email protected] github.com
github.com/dlemstra/Magick.NET/releases/tag/14.12.0 [email protected] github.com
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