CVE-2022-40152: Stack Buffer Overflow in Woodstox

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 18.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-09-16 · updated 2026-06-17
Weakness: CWE-121

Description

Those using Woodstox to parse XML data may be vulnerable to Denial of Service attacks (DOS) if DTD support is enabled. 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

FasterXML Woodstox: before 5.4.0; from 6.0.0 before 6.4.0 — fixed in 5.4.0, 6.4.0
x-stream xstream: before 1.4.20 — fixed in 1.4.20

How to fix

Upgrade to a fixed version: FasterXML Woodstox 5.4.0, 6.4.0; x-stream xstream 1.4.20. Check the vendor advisory for mitigations.

References

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