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THREATINT
PUBLISHED

CVE-2024-49761

REXML ReDoS vulnerability



AssignerGitHub_M
Reserved2024-10-18
Published2024-10-28
Updated2024-10-28

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.



MEDIUM: 6.6CVSS: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

Product status

< 3.3.9
affected

References

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

https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f

https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761

cve.org CVE-2024-49761

nvd.nist.gov CVE-2024-49761

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