CVE-2023-28756

5.3 MEDIUM
Published: March 31, 2023 Modified: November 04, 2025
View on NVD

Description

A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/ruby/time/releases/
Source: cve@mitre.org
Release Notes
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
Source: cve@mitre.org
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFZANOQA4RYX7XCB42OO3P24DQKWHEKA/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G76GZG3RAGYF4P75YY7J7TGYAU7Z5E2T/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WMIOPLBAAM3FEQNAXA2L7BDKOGSVUT5Z/
Source: cve@mitre.org
https://security.gentoo.org/glsa/202401-27
Source: cve@mitre.org
https://security.netapp.com/advisory/ntap-20230526-0004/
Source: cve@mitre.org
Third Party Advisory
https://www.ruby-lang.org/en/downloads/releases/
Source: cve@mitre.org
Release Notes
https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released/
Source: cve@mitre.org
Release Notes
https://www.ruby-lang.org/en/news/2023/03/30/redos-in-time-cve-2023-28756/
Source: cve@mitre.org
Vendor Advisory
https://github.com/ruby/time/releases/
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00000.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFZANOQA4RYX7XCB42OO3P24DQKWHEKA/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G76GZG3RAGYF4P75YY7J7TGYAU7Z5E2T/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WMIOPLBAAM3FEQNAXA2L7BDKOGSVUT5Z/
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/202401-27
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20230526-0004/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.ruby-lang.org/en/downloads/releases/
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released/
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
https://www.ruby-lang.org/en/news/2023/03/30/redos-in-time-cve-2023-28756/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

21 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.9%
74th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-1333

Affected Vendors

debian fedoraproject ruby-lang

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