{"id":"DEBIAN-CVE-2021-41817","details":"Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.","modified":"2026-08-27T23:03:35.103422107Z","published":"2022-01-01T05:15:08.197Z","upstream":["CVE-2021-41817"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-41817"}],"affected":[{"package":{"name":"ruby2.7","ecosystem":"Debian:11","purl":"pkg:deb/debian/ruby2.7?arch=source&distro=bullseye"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.4-1+deb11u1"}]}],"versions":["2.7.4-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41817.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"}]}