Description
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.
References (5)
Core 5
Core References
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202401-27
Permissions Required
https://hackerone.com/reports/1254844
Exploit, Vendor Advisory
https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/
Scores
CVSS v3
7.5
EPSS
0.0050
EPSS Percentile
65.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-1333
Status
published
Products (16)
debian/debian_linux
9.0
debian/debian_linux
10.0
debian/debian_linux
11.0
fedoraproject/fedora
34
fedoraproject/fedora
35
opensuse/factory
opensuse/leap
15.2
redhat/enterprise_linux
7.0
redhat/enterprise_linux
8.0
redhat/software_collections
... and 6 more
Published
Jan 01, 2022
Tracked Since
Feb 18, 2026