CVE-2026-33900 MEDIUM

CVE-2026-33900: ImageMagick has a Heap overflow caused by integer overflow/wraparound in viff encoder on 32-bit builds

Vendor Imagemagick
Product ImageMagick
Weakness CWE-190
Published April 13, 2026
Last update April 14, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/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. In versions below both 7.1.2-19 and 6.9.13-44, the viff encoder contains an integer truncation/wraparound issue on 32-bit builds that could trigger an out of bounds heap write, potentially causing a crash. 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