{"id":"CVE-2022-42966","summary":"Exponential ReDoS in cleo leads to denial of service","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":["GHSA-2p9h-ccw7-33gf","PYSEC-2022-43178"],"modified":"2026-08-12T03:51:26.225618258Z","published":"2022-11-09T00:00:00Z","database_specific":{"unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"fixed":"1.0.0"}]}],"cna_assigner":"JFROG","cwe_ids":["CWE-1333"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/42xxx/CVE-2022-42966.json"},"references":[{"type":"WEB","url":"https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/42xxx/CVE-2022-42966.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42966"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python-poetry/cleo","events":[{"introduced":"0"},{"fixed":"108f8214ef03107facafcba84379363768723fbd"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.0.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:python-poetry:cleo:*:*:*:*:*:*:*:*"}}],"versions":["1.0.0","1.0.0a5","0.8.0","0.7.6","0.7.5","0.7.4","0.7.3","0.7.2","0.7.1","0.7.0","0.6.8","0.6.7","0.6.6","0.6.4","0.6.2","0.6.1","0.6.0","0.5.0","v0.4.1","v0.4.0","v0.3.0","v0.2.1","v0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-42966.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"}]}