{"action":"Upgrade ruby2.7 to 2.7.4-1+deb11u1 or later.","affected":[{"fixed":"2.7.4-1+deb11u1","introduced":"0"}],"component":"ruby2.7","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["2.7.4-1+deb11u1"],"id":"tcs_01M5NG0EWZ8W3VTREJCEMAH27C","modified_at":"2026-08-27T23:04:10.403492177Z","published_at":"2022-01-01T05:15:08.197Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-41817","https://security-tracker.debian.org/tracker/CVE-2021-41817"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-41817","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-41817"}],"summary":"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."}