{"id":"CVE-2025-10990","published":"2026-02-27T13:32:02Z","modified":"2026-06-25T23:53:54Z","title":"Rexml: rexml: denial of service via inefficient regex parsing","vendor":"Red Hat","product":"Red Hat Satellite 6.16 for RHEL 8","tier":"tail","description":{"text":"A flaw was found in REXML. A remote attacker could exploit inefficient regular expression (regex) parsing when processing hex numeric character references (&#x...;) in XML documents. This could lead to a Regular Expression Denial of Service (ReDoS), impacting the availability of the affected component. This issue is the result of an incomplete fix for CVE-2024-49761.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00549,"percentile":0.45913,"provenance":"source"},"cwes":[{"id":"CWE-1333","name":"Inefficient Regular Expression Complexity"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2025:17606","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:17613","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:17693","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2025-10990","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2398216","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f","tags":[]},{"url":"https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m","tags":[]},{"url":"https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/","tags":[]}],"priority":{"score":14.4,"factors":[{"name":"EPSS percentile","points":9.18},{"name":"CVSS severity","points":5.25}]},"vendorSlug":"red-hat","affectedVersions":[{"vendor":"Red Hat","product":"Red Hat Satellite 6.16 for RHEL 8","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.16 for RHEL 8","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.16 for RHEL 9","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.16 for RHEL 9","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.17 for RHEL 9","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Satellite 6.17 for RHEL 9","versions":["all versions"]},{"vendor":"Red Hat","product":"Satellite Client 6 for RHEL 8","versions":["all versions"]},{"vendor":"Red Hat","product":"Satellite Client 6 for RHEL 9","versions":["all versions"]}],"euvd":{"id":"EUVD-2025-208140","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-ruby-rexml-cve-2024-35176","parents":[{"from":"CVE-2024-49761","to":"CVE-2025-10990","relation":"incomplete-fix","confidence":"high","kind":"lineage","evidence":[{"kind":"text","provenance":"source","relation":"incomplete-fix","quote":"This issue is the result of an incomplete fix for CVE-2024-49761.","from":"CVE.org","in":"CVE-2025-10990"},{"kind":"osv-related","provenance":"source","id":"GHSA-2rxp-v6pw-ch6m","via":"reference","url":"https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m"}]},{"from":"CVE-2024-41946","to":"CVE-2025-10990","relation":"related","confidence":"medium","kind":"lineage","evidence":[{"kind":"same-code","provenance":"machine","files":["lib/rexml/parsers/baseparser.rb"],"commits":["https://github.com/ruby/rexml/commit/033d1909a8f259d5a7c53681bcaf14f13bcf0368","https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f"],"basis":"shared function","functions":["unnormalize"]}]}]}}