CVE-2022-36234Public exploitNetwork attack vector

Remote service crash via crafted TCP packets

Published Jul 28, 2022 · Updated Aug 3, 2024

SimpleNetwork TCP Server at commit 29bc615f0d9910eb2f59aa8dff1f54f0e3af4496 double-frees memory, allowing remote attackers to crash the service. The report localizes the fault to TCPServer packet handling but does not disclose which allocation is released twice or the responsible function. No authentication or user interaction is required; repeated large messages trigger the demonstrated service crash, while code execution is not established.

CVSS severity7.5
High
EPSS probability0.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SimpleNetwork TCP Server at commit 29bc615f0d9910eb2f59aa8dff1f54f0e3af4496 double-frees memory, allowing remote attackers to crash the service. The report localizes the fault to TCPServer packet handling but does not disclose which allocation is released twice or the responsible function. No authentication or user interaction is required; repeated large messages trigger the demonstrated service crash, while code execution is not established.

The record

CVE
CVE-2022-36234
Published
Jul 28, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-415, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 28, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-415Double Free
T1499.004Application or System Exploitation Flood

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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