CVE-2026-40310

A flaw was found in ImageMagick. This vulnerability, a heap out-of-bounds write, occurs within the JPEG 2000 (JP2) encoder when processing an image with an invalid sampling index. A remote attacker could exploit this by providing a specially crafted image, which may lead to a denial of service (DoS) by causing the application to crash or become unstable.

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 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.