CVE-2025-10990 HIGH

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

Weakness CWE-1333
Published February 27, 2026
Last update February 27, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 27, 2026 CVE published
February 27, 2026 Record updated