{"cve":"CVE-2025-10990","nvd":{"published":"2026-02-27T14:16:27.567","modified":"2026-06-26T00:16:45.773","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://access.redhat.com/errata/RHSA-2025:17606","https://access.redhat.com/errata/RHSA-2025:17613","https://access.redhat.com/errata/RHSA-2025:17693","https://access.redhat.com/security/cve/CVE-2025-10990","https://bugzilla.redhat.com/show_bug.cgi?id=2398216"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:24:17.937441719+00:00"},"epss":{"cve":"CVE-2025-10990","score":0.00549,"percentile":0.4594,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2rxp-v6pw-ch6m","url":"https://osv.dev/vulnerability/GHSA-2rxp-v6pw-ch6m","summary":"REXML ReDoS vulnerability","modified":"2026-09-10T03:50:19.086573705Z","packages":[{"ecosystem":"RubyGems","name":"rexml","purl":"pkg:gem/rexml","ranges":["<3.3.9"],"fixed":["3.3.9"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}