HOMEVULNERABILITIESCVE-2022-40151
HIGH

CVE-2022-40151

CWE-121Published: September 16, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-40151 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

xstream1 product(s)
xstream
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

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

All References (4)

→
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47367Exploit · Permissions Required · Third Party Advisory
→
https://github.com/x-stream/xstream/issues/304Issue Tracking · Third Party Advisory
→
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47367Exploit · Permissions Required · Third Party Advisory
→
https://github.com/x-stream/xstream/issues/304Issue Tracking · Third Party Advisory

Quick Facts

CVE IDCVE-2022-40151
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-121
CISA KEVNo
Affected1 vendor(s)
PublishedSep 16, 2022

Related CVEs (CWE-121)

CVE-2021-21961
10.0
CVE-2026-12848
10.0
CVE-2020-14498
10.0
CVE-2021-21960
10.0
CVE-2014-0787
10.0
CVE-2014-9190
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-40151 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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