CVE-2025-10990 – Rexml: rexml: denial of service via inefficient regex parsing

CVE ID : CVE-2025-10990

Published : Feb. 27, 2026, 2:16 p.m. | 55 minutes ago

Description : A flaw was found in REXML. A remote attacker could exploit inefficient regular expression (regex) parsing when processing hex numeric character references (…;) 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.

Severity: 7.5 | HIGH

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