CVE-2023-36617

· MEDIUMModified

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CVSS v3.1

5.3

EPSS

1.70%

Published

Jun 29, 2023

Modified

Nov 4, 2025

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

A ReDoS issue was discovered in the URI component before 0.12.2 for Ruby. The URI parser mishandles invalid URLs that have specific characters. There is an increase in execution time for parsing strings to URI objects with rfc2396_parser.rb and rfc3986_parser.rb. NOTE: this issue exists becuse of an incomplete fix for CVE-2023-28755. Version 0.10.3 is also a fixed version.

CVSS Vector

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

Weaknesses (CWE)

CWE-1333

Affected Products (2)

ruby-lang · uri (up to 0.10.3)vulnerable

ruby-lang · uri (up to 0.12.2)vulnerable

References (10)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27LUWREIFTP3MQAW7QE4PJM4DPAQJWXF/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA6XUKUY7B5OLNQBLHOT43UW7C5NIOQQ/

https://security.netapp.com/advisory/ntap-20230725-0002/

https://www.ruby-lang.org/en/news/2023/06/29/redos-in-uri-CVE-2023-36617/