Detections
Analytics

CVE-2023-28756

medium

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.

References

https://security.netapp.com/advisory/ntap-20230526-0004/

https://security.gentoo.org/glsa/202401-27

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WMIOPLBAAM3FEQNAXA2L7BDKOGSVUT5Z/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G76GZG3RAGYF4P75YY7J7TGYAU7Z5E2T/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFZANOQA4RYX7XCB42OO3P24DQKWHEKA/

https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html

https://www.ruby-lang.org/en/news/2023/03/30/redos-in-time-cve-2023-28756/

https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released/

https://www.ruby-lang.org/en/downloads/releases/

https://lists.debian.org/debian-lts-announce/2024/09/msg00000.html

https://github.com/ruby/time/releases/

Details

Source: Mitre, NVD

Published: 2023-03-31

Updated: 2025-11-04

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Severity: Medium

EPSS

EPSS: 0.05515