CVE-2024-49761

Description

REXML is an XML toolkit for Ruby. 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. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.

Reserved 2024-10-18 | Published 2024-10-28 | Updated 2024-12-27 | Assigner GitHub_M

Problem types

CWE-1333: Inefficient Regular Expression Complexity

Product status

< 3.3.9
affected

References

github.com/.../rexml/security/advisories/GHSA-2rxp-v6pw-ch6m

github.com/...ommit/ce59f2eb1aeb371fe1643414f06618dbe031979f

www.ruby-lang.org/...s/2024/10/28/redos-rexml-cve-2024-49761

cve.org (CVE-2024-49761)

nvd.nist.gov (CVE-2024-49761)

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