CVE-2022-40151: XStream

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

Those using Xstream to seralize XML data may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. This effect may support a denial of service attack.

Affected products

• XStream XStream: before 1.4.20 (fixed in 1.4.20)

Published 2022-09-16. Last modified 2026-06-17.