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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.", "A flaw was found in the REXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between `&# `and `x...;` in a hex numeric character reference (`&#x...;`) can trigger a regular expression denial of service (ReDoS) condition, leading to a denial of service."], "name": "CVE-2024-49761", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp-backend-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp-system-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-amp-zync-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "3scale-toolbox-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "pcs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ruby:3.3/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "pcs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "ruby:3.3/ruby", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Affected", "package_name": "ruby", "product_name": "Red Hat Storage 3"}], "public_date": "2024-10-28T14:10:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-49761\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49761\nhttps://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f\nhttps://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m\nhttps://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761"], "statement": "This vulnerability is rated as a moderate severity because it allows attackers to exploit inefficient regex parsing in hex numeric character references (&#x...;), causing a ReDoS and impacting availability, it requires specific malicious input but does not affect confidentiality or integrity.", "threat_severity": "Moderate"}