GHSA-2rxp-v6pw-ch6m

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Source
https://github.com/advisories/GHSA-2rxp-v6pw-ch6m
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/10/GHSA-2rxp-v6pw-ch6m/GHSA-2rxp-v6pw-ch6m.json
JSON Data
https://api.test.osv.dev/v1/vulns/GHSA-2rxp-v6pw-ch6m
Aliases
Downstream
Related
Published
2024-10-28T14:10:18Z
Modified
2025-11-03T23:16:41.186562Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 6.6 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U CVSS Calculator
Summary
REXML ReDoS vulnerability
Details

Impact

The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;).

This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. Note that Ruby 3.1 will reach EOL on 2025-03.

Patches

The REXML gem 3.3.9 or later include the patch to fix the vulnerability.

Workarounds

Use Ruby 3.2 or later instead of Ruby 3.1.

References

  • https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/: An announce on www.ruby-lang.org
Database specific 
{
    "cwe_ids": [
        "CWE-1333"
    ],
    "github_reviewed_at": "2024-10-28T14:10:18Z",
    "nvd_published_at": "2024-10-28T15:15:05Z",
    "severity": "MODERATE",
    "github_reviewed": true
}
References

Affected packages

RubyGems / rexml

Package

Name
rexml
Purl
pkg:gem/rexml

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.9

Affected versions

3.*

3.1.7.3
3.1.8
3.1.9
3.1.9.1
3.2.0
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.3.0
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.3.7
3.3.8