CVE-2026-33900
ImageMagick: Magick.NET: ImageMagick: Denial of Service via integer truncation in viff encoder
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 14, 2026
Updated · August 18, 2026
Description
A flaw was found in ImageMagick, a software suite for editing and manipulating digital images. This vulnerability, an integer truncation/wraparound issue within the viff encoder on 32-bit builds, could lead to an out-of-bounds heap write. An attacker could exploit this by providing a specially crafted image file, potentially causing the application to crash and resulting in a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-190 · Integer Overflow or Wraparound