{"id":"CVE-2021-22204","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-22204","summary":null,"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","published":"2021-04-23T18:15:08.127Z","modified":"2026-08-07T11:48:35.045066080Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.99981,"percentile":0.99981,"asOf":"2026-09-10"},"cisaKev":null,"exploitsKnown":31,"affectedPackages":[],"fix":{"url":"https://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800","label":"exiftool/exiftool@cf0f4e7"},"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22204"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/05/09/1"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/05/10/5"},{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22204.json"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00018.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDKDLJLBTBBR66OOPXSXCG2PQRM5KCZL/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6UOBPU3LSHAPRRJNISNVXZ5DSUIALLV/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4RF6PJCJ6NQOVJJJF6HN6BORUQVIXY6/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4910"},{"type":"REPORT","url":"https://hackerone.com/reports/1154542"},{"type":"FIX","url":"https://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:48:35.045066080Z"}}