All vulnerabilities

Servers and applications

CVE-2022-42919

Python 3.9.x before 3.9.16 and 3.10.x before 3.10.9 on Linux allows local privilege escalation in a non-default configuration. The Python multiprocessing library, when used with the forkserver start method on Linux, allows pickles to be deserialized from any user in the same machine local network namespace, which in many system configurations means any user on the same machine. Pickles can…

Severity
High 7.8
Published
7 Nov 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.9.16, 3.10.9
Sources
NVD

Affected software

SoftwareAffected versions
PythonServers and applications · cpe:a:python:python
  • From 3.7.3 up to 3.7.15
  • From 3.8.3 up to 3.8.15
  • From 3.9.0 before 3.9.16
  • From 3.10.0 before 3.10.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-42919
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-42919