#VU125872 Heap-based buffer overflow in ImageMagick - CVE-2026-40183
Published: April 14, 2026
Vulnerability identifier: #VU125872
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/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-2026-40183
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ImageMagick
ImageMagick
Software vendor:
ImageMagick.org
ImageMagick.org
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to heap-based buffer overflow in the JXL encoder when encoding an image as 16-bit floats. A remote attacker can trick the victim into processing a specially crafted image to cause a denial of service.
User interaction is required to process the crafted image.
Remediation
Install security update from vendor's website.