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CVE-2021-22204

Known Exploited (CISA KEV)MEDIUM
6.8
CVSS Severity Score
EPSS Score35.0210%
EPSS Percentile96.76th
PublishedApr 23, 2021
Last ModifiedNov 3, 2025

Vulnerability Description

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 Platforms (CPE)

📦
Exiftool Project

Exiftool

>= 7.44 and < 12.24
💻
Debian

Debian Linux

= 9.0
💻
Debian

Debian Linux

= 10.0
💻
Fedoraproject

Fedora

= 32
💻
Fedoraproject

Fedora

= 33
💻
Fedoraproject

Fedora

= 34

References & Advisories

🔗 http://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html
🔗 http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
🔗 http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html
🔗 http://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html
🔗 http://www.openwall.com/lists/oss-security/2021/05/09/1
🔗 http://www.openwall.com/lists/oss-security/2021/05/10/5
🔗 https://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800
🔗 https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22204.json

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