# CVE-2023-36617: URI gem has ReDoS vulnerability

Source: https://junglewise.ai/threats/cve-2023-36617-uri-gem-has-redos-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-06-29  
License: CC BY 4.0 with a link back

CVE-2023-36617 · Severity: low · CVSS 3.1 · Published 2023-06-29

URI gem has ReDoS vulnerability

Technologies: [uri (RubyGems)](https://junglewise.ai/threats/technologies/uri). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2023-36617 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-36617 being exploited in the wild.

**How severe is CVE-2023-36617?** Low severity, with a CVSS score of 3.1, published 29 June 2023.

**Which products and versions are affected?** uri (RubyGems) ECOSYSTEM:introduced=0.10.1,fixed=0.10.3.

**Is there a fix for CVE-2023-36617?** Yes. uri (RubyGems): upgrade to 0.10.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-36617?** Check whether you run uri (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- uri (RubyGems): upgrade to 0.10.3 or later

  ```sh
  bundle update uri
  ```


## Affected products

- uri (RubyGems) ECOSYSTEM:introduced=0.10.1,fixed=0.10.3

## Identifiers

- CVE-2023-36617
- GHSA-hww2-5g85-429m

## Related threats

- [URI Credential Leakage Bypass over](https://junglewise.ai/threats/cve-2025-61594-uri-credential-leakage-bypass-over)
- [URI allows for userinfo Leakage in URI#join, URI#merge, and URI#+](https://junglewise.ai/threats/cve-2025-27221-uri-allows-for-userinfo-leakage-in-uri-join-uri-merge-and-uri)
- [Ruby URI component ReDoS issue](https://junglewise.ai/threats/cve-2023-28755-ruby-uri-component-redos-issue)