CVE-2021-41817
- Source
- https://cve.org/CVERecord?id=CVE-2021-41817
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41817.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-41817
- Aliases
- Downstream
- Related
- Published
- 2022-01-01T05:15:08.197Z
- Modified
- 2026-07-08T05:57:53.015216900Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- 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.
- Database specific
{ "unresolved_ranges": [ { "cpes": [ "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*" ], "vendor_product": "debian:debian_linux", "extracted_events": [ { "introduced": "9.0" }, { "last_affected": "9.0" }, { "introduced": "10.0" }, { "last_affected": "10.0" }, { "introduced": "11.0" }, { "last_affected": "11.0" } ], "source": "CPE_STRING" }, { "vendor_product": "fedoraproject:fedora", "cpes": [ "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*" ], "source": "CPE_STRING", "extracted_events": [ { "introduced": "34" }, { "last_affected": "34" }, { "introduced": "35" }, { "last_affected": "35" } ] }, { "vendor_product": "opensuse:leap", "cpes": [ "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "15.2" }, { "last_affected": "15.2" } ], "source": "CPE_STRING" }, { "vendor_product": "redhat:enterprise_linux", "cpes": [ "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "7.0" }, { "last_affected": "7.0" }, { "introduced": "8.0" }, { "last_affected": "8.0" } ], "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*", "cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:*" ], "vendor_product": "suse:linux_enterprise", "extracted_events": [ { "introduced": "12.0" }, { "last_affected": "12.0" }, { "introduced": "15.0" }, { "last_affected": "15.0" } ], "source": "CPE_STRING" } ] }- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
- https://security.gentoo.org/glsa/202401-27
- https://hackerone.com/reports/1254844
- https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/
Affected packages
Git / github.com/ruby/date
Affected ranges
- Type
- GIT
- Repo
- https://github.com/ruby/date
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixedIntroducedFixedIntroducedLast affected
- Database specific
{ "cpe": [ "cpe:2.3:a:ruby-lang:date:*:*:*:*:*:ruby:*:*", "cpe:2.3:a:ruby-lang:date:3.2.0:*:*:*:*:ruby:*:*" ], "extracted_events": [ { "introduced": "0" }, { "fixed": "2.0.1" }, { "introduced": "3.0.0" }, { "fixed": "3.0.2" }, { "introduced": "3.1.0" }, { "fixed": "3.1.2" }, { "introduced": "3.2.0" }, { "last_affected": "3.2.0" } ], "source": [ "CPE_RANGE", "CPE_STRING" ] }
Git / github.com/ruby/ruby
Affected ranges
- Type
- GIT
- Repo
- https://github.com/ruby/ruby
- Events
- Database specific
{ "cpe": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "extracted_events": [ { "introduced": "2.6.0" }, { "fixed": "2.6.9" }, { "introduced": "2.7.0" }, { "fixed": "2.7.5" }, { "introduced": "3.0.0" }, { "fixed": "3.0.3" } ], "source": "CPE_RANGE" }