CVE-2024-49761

ADVISORY - github

Summary

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

EPSS Score⁠: 0.01275 (0.789)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-1333⁠

Inefficient Regular Expression Complexity

ADVISORY - github

CWE-1333⁠

Inefficient Regular Expression Complexity

ADVISORY - gitlab

CWE-1035⁠

OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities

CWE-1333⁠

Inefficient Regular Expression Complexity

CWE-937⁠

OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities

ADVISORY - redhat

CWE-1333⁠

Inefficient Regular Expression Complexity

Impacted images

Advisories

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