Out-of-bounds write in ImageMagick - CVE-2026-46520

 

Out-of-bounds write in ImageMagick - CVE-2026-46520

Published: May 18, 2026


Vulnerability identifier: #VU131623
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-2026-46520
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in IPL decoder when reading multiple images of different dimensions. A remote attacker can trigger an out-of-bounds write and perform a denial of service (DoS) attack on the system.


How to mitigate CVE-2026-46520

Install updates from vendor's website.

Sources