Integer overflow in ImageMagick - CVE-2026-62946
Published: July 15, 2026
Vulnerability identifier: #VU137768
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-62946
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service or execute arbitrary code.
The vulnerability exists due to integer overflow in the JNX decoder when parsing an extremely large JNX file on 32-bit builds. A remote attacker can supply a specially crafted JNX file to cause a denial of service or execute arbitrary code.
Only 32-bit builds are vulnerable.
How to mitigate CVE-2026-62946
Install security update from vendor's website.