Out-of-bounds write in ImageMagick - CVE-2026-46559
Published: May 18, 2026
Vulnerability identifier: #VU131628
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46559
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a local attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the JP2 encoder. A local attacker can trigger an out-of-bounds write and perform a denial of service (DoS) attack on the target system.
How to mitigate CVE-2026-46559
Install updates from vendor's website.