CVE-2026-33899

ImageMagick: Heap BufferOverflow write of single zero byte when parsing XML

State: Published
Severity: 5.3 Medium
Published: Apr 13, 2026
Updated: Apr 16, 2026
Reserved: Mar 24, 2026

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-189 and 6.9.13-44, when `Magick` parses an XML file it is possible that a single zero byte is written out of the bounds. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	GitHub_M

Weaknesses

CWE-122 Heap-based Buffer Overflow
CWE-191 Integer Underflow (Wrap or Wraparound)

Affected Products

Product	Versions
ImageMagickImageMagick	< 6.9.13-44Affected < 7.1.2-19Affected

References

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