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CVE-2024-49761

REXML ReDoS vulnerability

CVSS 6.6 MEDIUMEPSS 1.4%CWE-1333
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.
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
Produtos afetados
ruby · rexml

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Referências
https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979fhttps://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6mhttps://lists.debian.org/debian-lts-announce/2025/01/msg00011.htmlhttps://security.netapp.com/advisory/ntap-20241227-0004/https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761