#VU125884 Heap-based buffer overflow in ImageMagick - CVE-2026-33899
Published: April 14, 2026
Vulnerability identifier: #VU125884
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33899
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 XML parser when parsing XML files. A remote attacker can send a specially crafted XML file to cause a denial of service.
A single zero byte may be written out of bounds during XML parsing.
Remediation
Install security update from vendor's website.