Out-of-bounds write in ImageMagick - CVE-2026-48724

 

Out-of-bounds write in ImageMagick - CVE-2026-48724

Published: May 31, 2026


Vulnerability identifier: #VU133106
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-48724
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 cause a denial of service.

The vulnerability exists due to out-of-bounds write in the Floyd-Steinberg depth dithering functionality when processing a crafted image with a mask. A remote attacker can trick the victim into opening a crafted image to cause a denial of service.

User interaction is required to open or process a crafted image.


How to mitigate CVE-2026-48724

Install security update from vendor's website.

Sources