CVE-2026-40310 MEDIUM

CVE-2026-40310: ImageMagick: Heap out-of-bounds write in JP2 encoder

Vendor Imagemagick
Product ImageMagick
Weakness CWE-122
Published April 13, 2026
Last update April 14, 2026
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions below both 7.1.2-19 and 6.9.13-44, contain a heap out-of-bounds write in the JP2 encoder with when a user specifies an invalid sampling index. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Key dates

02Disclosure timeline

April 13, 2026 CVE published
April 14, 2026 Record updated