Input validation error in ImageMagick - CVE-2026-49218
Published: May 31, 2026
Vulnerability identifier: #VU133102
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-49218
CWE-ID: CWE-20
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 improper input validation in the DCM decoder when parsing crafted DCM images. A remote attacker can supply a specially crafted DCM image to cause a denial of service.
The issue can produce an image with invalid dimensions, which may lead to crashes in subsequent operations.
How to mitigate CVE-2026-49218
Install security update from vendor's website.