CVE-2026-32259

ImageMagick has a possible stack buffer overflow in sixel encoder

State: Published
Severity: 6.7 Medium
Published: Mar 12, 2026
Updated: Mar 13, 2026
Reserved: Mar 11, 2026

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-16 and 6.9.13-41, when a memory allocation fails in the sixel encoder it would be possible to write past the end of a buffer on the stack. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.

Scores

CVSS	Score	Vector	Source
3.1	6.7 Medium	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H	GitHub_M

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
ImageMagickImageMagick	>= 7.0.0, < 7.1.2-16Affected < 6.9.13-41Affected

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-49hx-7656-jpg3

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.