CVE-2021-22204
ExifTool Remote Code Execution Vulnerability
Perl · Exiftool
Vulnerability details
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
Added to CISA KEV: 2021-11-17
Ransomware campaign use: Unknown
CISA due date: 2021-12-01
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC