CVE-2026-55597

ImageMagick: Heap Buffer Over-Write in JP2 encoder when due to incorrect handling of arguments

State: Published
Severity: 5.5 Medium
Published: Jul 1, 2026
Updated: Jul 1, 2026
Reserved: Jun 16, 2026

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-26, an incorrect handling of arguments can cause a heap buffer over-write in the JP2 encoder. This issue has been fixed in version7.1.2-26.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-682 Incorrect Calculation
CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
ImageMagickImageMagick	< 7.1.2-26Affected

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4

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