{"id":"GHSA-2p9h-ccw7-33gf","summary":"cleo is vulnerable to Regular Expression Denial of Service (ReDoS)","details":"An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method.","aliases":["CVE-2022-42966","PYSEC-2022-43178"],"modified":"2026-07-02T20:45:17.823989170Z","published":"2022-11-10T12:01:17Z","database_specific":{"github_reviewed_at":"2022-11-10T18:52:40Z","nvd_published_at":"2022-11-09T20:15:00Z","cwe_ids":["CWE-1333"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42966"},{"type":"WEB","url":"https://github.com/python-poetry/cleo/pull/285"},{"type":"WEB","url":"https://github.com/python-poetry/cleo/commit/b5b9a04d2caf58bf7cf94eb7ae4a1ebbe60ea455"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-2p9h-ccw7-33gf"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/cleo/PYSEC-2022-43178.yaml"},{"type":"PACKAGE","url":"https://github.com/python-poetry/cleo"},{"type":"WEB","url":"https://github.com/python-poetry/cleo/releases/tag/2.0.0"},{"type":"WEB","url":"https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186"}],"affected":[{"package":{"name":"cleo","ecosystem":"PyPI","purl":"pkg:pypi/cleo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0a1"},{"fixed":"2.0.0"}]}],"versions":["1.0.0","1.0.0a1","1.0.0a2","1.0.0a3","1.0.0a4","1.0.0a5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/11/GHSA-2p9h-ccw7-33gf/GHSA-2p9h-ccw7-33gf.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}