CVE-2026-55577
ImageMagick: ImageMagick: Heap buffer overflow in MVG decoder allows out-of-bounds write
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, free and open-source software for editing and manipulating digital images. A heap buffer overflow occurs in the MVG (Magick Vector Graphics) decoder when processing a specially crafted image. This vulnerability could allow an attacker to cause an out-of-bounds write, potentially leading to a denial of service or other impacts.
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 · 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-787 · Out-of-bounds Write