CVE-2026-28691

A flaw was found in ImageMagick. This vulnerability, an uninitialized pointer dereference, exists in the JBIG decoder due to a missing check. A remote attacker could exploit this by providing a specially crafted image file, leading to a denial of service. This could make the ImageMagick application unavailable to users.

This is an IMPORTANT vulnerability affecting ImageMagick, present in Red Hat Enterprise Linux 6 ELS and 7 ELS. An uninitialized pointer dereference in the JBIG decoder could lead to a denial of service when processing a specially crafted JBIG image.

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.