CVE-2026-55597
ImageMagick: ImageMagick: Heap buffer overwrite via incorrect argument handling in JP2 encoder
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 2, 2026
Updated · July 2, 2026
Description
A flaw was found in ImageMagick, a free and open-source software for editing and manipulating digital images. An incorrect handling of arguments in the JP2 encoder can lead to a heap buffer overwrite. This vulnerability could allow an attacker to cause a denial of service (DoS) by providing a specially crafted image, leading to an application crash.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-787 · Out-of-bounds Write