CVE-2026-32259 MEDIUM

CVE-2026-32259: ImageMagick has a possible stack buffer overflow in sixel encoder

Vendor Imagemagick
Product ImageMagick
Weakness CWE-121
Published March 12, 2026
Last update March 13, 2026
View on NVD All CVEs

CVSS base score

6.7/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 12, 2026 CVE published
March 13, 2026 Record updated