{"id":"GHSA-x38q-xg2h-rxgx","summary":"Regular Expression Denial of Service in Leo Editor","details":"Leo Editor v6.2.1 was discovered to contain a regular expression denial of service (ReDoS) vulnerability in the component plugins/importers/dart.py.","aliases":["CVE-2020-23478","PYSEC-2021-338"],"modified":"2024-09-27T22:50:30.322118Z","published":"2021-09-23T23:14:28Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2021-09-23T16:37:27Z","nvd_published_at":"2021-09-22T20:15:00Z","cwe_ids":["CWE-1333","CWE-697"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23478"},{"type":"WEB","url":"https://github.com/leo-editor/leo-editor/issues/1597"},{"type":"WEB","url":"https://github.com/leo-editor/leo-editor/commit/029833689060ee73f1bc1708cf4b182f0c66ec8e"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-x38q-xg2h-rxgx"},{"type":"WEB","url":"https://github.com/leo-editor/leo-editor"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/leo/PYSEC-2021-338.yaml"}],"affected":[{"package":{"name":"leo","ecosystem":"PyPI","purl":"pkg:pypi/leo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3"}]}],"versions":["4.11-final","5.0-final","5.1","5.2","5.3","5.4","5.5","5.7","5.7.2","5.7.3","5.8","5.9","6.0","6.1","6.2","6.2.1"],"database_specific":{"last_known_affected_version_range":"\u003c= 6.2.1","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/09/GHSA-x38q-xg2h-rxgx/GHSA-x38q-xg2h-rxgx.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}