Out-of-bounds write in ImageMagick - CVE-2026-55577
Published: June 29, 2026
Vulnerability identifier: #VU135665
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-55577
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds write in the MVG decoder when processing a crafted image. A remote attacker can supply a specially crafted image to cause a denial of service.
How to mitigate CVE-2026-55577
Install security update from vendor's website.