5.3

CVE-2023-36617: ruby-lang uri

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2023-36617USN-7747-1DEBIAN-CVE-2023-36617
Published 29-06-2023Last modified 04-11-2025
Open JSON

Vulnerability summary

CVE-2023-36617 is a medium (CVSS 5.3) vulnerability in ruby-lang uri. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.70%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 9
DLA-3858-1RHSA-2024:1431RHSA-2024:1576RHSA-2024:4499USN-6219-1CGA-2GGW-F3MG-P6MJ

Timeline

  1. 29-06-2023
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

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 metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

1.70%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.70% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu6 products
  • jrubyAll versions (No fix recorded)
  • ruby2.3< 2.3.1-2~ubuntu16.04.16+esm8
  • ruby2.5< 2.5.1-1ubuntu1.16+esm1
  • ruby2.7< 2.7.0-5ubuntu1.12
  • ruby3.0< 3.0.2-7ubuntu2.4
Chainguard4 products
  • jruby-9.4< 9.4.5.0-r1
  • kube-fluentd-operator< 1.18.2-r33
  • ruby-3.1< 3.1.4-r2
  • ruby-3.2< 3.2.2-r2
Wolfi4 products
  • jruby-9.4< 9.4.5.0-r1
  • kube-fluentd-operator< 1.18.2-r33
  • ruby-3.1< 3.1.4-r2
  • ruby-3.2< 3.2.2-r2
Debian1 product
  • ruby2.7< 2.7.4-1+deb11u2
Ruby-lang1 product
  • uri< 0.10.3 | ≥ 0.11.0, < 0.12.2
RubyGems1 product
  • uri≥ 0.10.1, < 0.10.3 | ≥ 0.12.0, < 0.12.2 | ≥ 0.11.0, < 0.11.2 | < 0.10.0.3

6 vendors · 17 products

References

29 links
Show all 29 references