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Vulnerabilities

Security incident · CVE-2025-65947

thread-amount is a tool that gets the amount of threads in the current process.

Published Nov 21, 2025 · catalog updated Nov 24, 2025 · thread-amount is a tool

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-65947. EPSS is 0.37%. Act only if a listed version of thread-amount is a tool is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (thread-amount is a tool).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Version ranges on file
Affected products
vendor jzeuzs thread-amount < 0.2.2

thread-amount is a tool that gets the amount of threads in the current process. Prior to version 0.2.2, there are resource leaks when querying thread counts on Windows and Apple platforms. In Windows platforms, the thread_amount function calls CreateToolhelp32Snapshot but fails to close the returned HANDLE using CloseHandle. Repeated calls to this function will cause the handle count of the process to grow indefinitely, eventually leading to system instability or process termination when the handle limit is reached. In Apple platforms, the thread_amount function calls task_threads (via Mach ke

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor jzeuzs thread-amount < 0.2.2< 0.2.2

How to fix CVE-2025-65947

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-65947. EPSS is 0.37%. Act only if a listed version of thread-amount is a tool is installed.

Which versions are affected?

Compare what you have installed with jzeuzs thread-amount < 0.2.2 < 0.2.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 21, 2025 · EUVD

    Detected

    thread-amount is a tool that gets the amount of threads in the current process. Prior to version 0.2.2, there are resource leaks when querying thread counts on Windows and Apple platforms. In Windows platforms, the thread_amount function calls CreateToolhelp32Snapshot but fails to close the returned HANDLE using CloseHandle. Repeated calls to this function will cause the handle count of the proces

  2. Nov 24, 2025 · EUVD

    Updated

    thread-amount is a tool that gets the amount of threads in the current process. Prior to version 0.2.2, there are resource leaks when querying thread counts on Windows and Apple platforms. In Windows platforms, the thread_amount function calls CreateToolhelp32Snapshot but fails to close the returned HANDLE using CloseHandle. Repeated calls to this function will cause the handle count of the proces

Sources

  • CVE.orgVulnerability recordCVE-2025-65947

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-65947

    30-day exploitation probability 0.37%

    first.org
  • EUVDVulnerability recordEUVD-2025-198497

    thread-amount is a tool that gets the amount of threads in the current process. Prior to version 0.2.2, there are resource leaks when querying thread counts on Windows and Apple platforms. In Windows platforms, the thread_amount function calls CreateToolhelp32Snapshot but fails t

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026