What is CVE-2022-40152?

CVE-2022-40152 is a medium-severity vulnerability in Fasterxml Woodstox, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2022-09-16.

How severe is CVE-2022-40152?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2022-40152 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Fasterxml Woodstox

CVE-2022-40152

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.

Vulnerability class: Buffer Overflow

Published 2022-09-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.197 (97.3th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.197 · newest: 0.197 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

github.com/x-stream/xstream/issues/304 (Third Party Advisory, Issue Tracking)
bugs.chromium.org/p/oss-fuzz/issues/detail (Permissions Required, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-40152?: CVE-2022-40152 is a medium-severity vulnerability in Fasterxml Woodstox, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2022-09-16.
How severe is CVE-2022-40152?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-40152 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.