CVE-2025-23184: Apache Cxf

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

A potential denial of service vulnerability is present in versions of Apache CXF before 3.5.10, 3.6.5 and 4.0.6. In some edge cases, the CachedOutputStream instances may not be closed and, if backed by temporary files, may fill up the file system (it applies to servers and clients).

Affected products

• Apache Cxf: before 3.5.10 (fixed in 3.5.10); from 3.6.0, before 3.6.5 (fixed in 3.6.5); from 4.0.0, before 4.0.6 (fixed in 4.0.6)

Published 2025-01-21. Last modified 2026-06-17.