UpHeron
All vulnerabilities

Servers and applications

CVE-2022-45061

An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA (RFC 3490) decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor; in such a scenario, they…

Severity
High 7.5
Published
9 Nov 2022
Last changed
14 Oct 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
PythonServers and applications · cpe:a:python:python
  • Version 3.11.0
  • Version 3.11.0-rc2
  • Version 3.11.0-rc1
  • Version 3.11.0-beta5
All 19 release lines
  • Every version up to 3.7.15
  • From 3.8.0 up to 3.8.15
  • From 3.9.0 up to 3.9.15
  • From 3.10.0 up to 3.10.8
  • Version 3.11.0-alpha1
  • Version 3.11.0-alpha2
  • Version 3.11.0-alpha3
  • Version 3.11.0-alpha4
  • Version 3.11.0-alpha5
  • Version 3.11.0-alpha6
  • Version 3.11.0-alpha7
  • Version 3.11.0-beta1
  • Version 3.11.0-beta2
  • Version 3.11.0-beta3
  • Version 3.11.0-beta4
  • Version 3.11.0-beta5
  • Version 3.11.0-rc1
  • Version 3.11.0-rc2
  • Version 3.11.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-45061
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-45061