{"id":"CVE-2020-23478","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":["GHSA-x38q-xg2h-rxgx","PYSEC-2021-338"],"modified":"2026-08-18T14:11:34.476027Z","published":"2021-09-22T20:15:08.077Z","references":[{"type":"ADVISORY","url":"https://cwe.mitre.org/data/definitions/1333.html"},{"type":"FIX","url":"https://github.com/leo-editor/leo-editor/issues/1597"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/leo-editor/leo-editor","events":[{"introduced":"49c5e4fa3cd617524f167e2e114f89d76549bbda"},{"last_affected":"49c5e4fa3cd617524f167e2e114f89d76549bbda"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:leoeditor:leo:6.2.1:*:*:*:*:*:*:*","extracted_events":[{"introduced":"6.2.1"},{"last_affected":"6.2.1"}]}}],"versions":["6.2.1","v6.2.1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-23478.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"}]}