CVE-2026-46523
ImageMagick: ImageMagick: Denial of Service via crafted MSL image leading to heap-use-after-free
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 used for editing and manipulating digital images. A remote attacker could exploit this vulnerability by providing a specially crafted MSL (Magick Scripting Language) image. Processing this malicious image could trigger a heap-use-after-free error, leading to a denial of service (DoS) condition.
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-825 · Expired Pointer Dereference