What’s Vulnerable › Vulnerabilities

CVE-2022-40151: Stack Buffer Overflow in xstream

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% 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 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

• x-stream xstream: before 1.4.20 — fixed in 1.4.20

How to fix

Upgrade to a fixed version: x-stream xstream 1.4.20. Check the vendor advisory for mitigations.

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47367
• https://github.com/x-stream/xstream/issues/304
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47367
• https://github.com/x-stream/xstream/issues/304

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