{"id":"ALPINE-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":"2026-08-27T22:18:01.656445594Z","published":"2022-01-01T05:15:08.197Z","upstream":["CVE-2021-41817"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-41817"}],"affected":[{"package":{"name":"ruby","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.7.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.7.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.7.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-41817.json"}},{"package":{"name":"ruby","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/ruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-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"}]}