{"id":"CVE-2025-10990","title":"A flaw was found in REXML","summary":"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 Serv…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-1333"],"published":"2026-02-27","updated":"2026-06-26","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-10990","references":[{"url":"https://access.redhat.com/errata/RHSA-2025:17606","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:17613","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:17693","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2025-10990","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2398216","label":"secalert@redhat.com"},{"url":"https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f","label":"secalert@redhat.com"},{"url":"https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m","label":"secalert@redhat.com"},{"url":"https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00468,"epssPercentile":0.39741,"ingestedAt":"2026-06-26T16:43:13.616Z","slug":"CVE-2025-10990","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}