CVE-2026-46520
ImageMagick: ImageMagick: Denial of Service via out-of-bounds write when processing multiple images
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 11, 2026
Updated · June 30, 2026
Description
A flaw was found in ImageMagick, a free and open-source software for editing and manipulating digital images. When processing multiple images with varying dimensions, an out-of-bounds heap write can occur. This vulnerability could allow a remote attacker to cause a denial of service (DoS) condition, making the affected system or application unavailable.
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 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-787 · Out-of-bounds Write