#VU123891 Heap-based buffer overflow in ImageMagick - CVE-2026-28686
Published: March 11, 2026 / Updated: March 12, 2026
Vulnerability identifier: #VU123891
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28686
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 perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the PCL encode. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.