{"id":"UBUNTU-CVE-2022-42966","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","modified":"2026-05-20T16:08:18.719000981Z","published":"2022-11-09T20:15:00Z","upstream":["CVE-2022-42966"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-42966"},{"type":"REPORT","url":"https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-42966"}],"affected":[{"package":{"name":"python-cleo","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/python-cleo?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.1-2","0.8.1-3","0.8.1-4"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-cleo","binary_version":"0.8.1-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-42966.json"}},{"package":{"name":"python-cleo","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/python-cleo?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.1-5","2.1.0-1","2.1.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-cleo","binary_version":"2.1.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-42966.json"}},{"package":{"name":"python-cleo","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/python-cleo?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1-4"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-cleo","binary_version":"2.2.1-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-42966.json"}},{"package":{"name":"python-cleo","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/python-cleo?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1-4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.1-4","binary_name":"python3-cleo"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-42966.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}