CVE-2021-22204: ExifTool Remote Code Execution Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-17. EPSS: 100% chance of exploitation in the next 30 days.

Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code execution when parsing the malicious image

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• Exiftool Project Exiftool: from 7.44, before 12.24 (fixed in 12.24)
• Fedoraproject Fedora: version 32 only; version 33 only; version 34 only

Published 2021-04-23. Last modified 2026-06-17.