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CVE-2022-45061

7.5 high SSVC exploitation: poc Modified
NVD · CVE.org

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 could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied supposed hostname. For example, the attack payload could be placed in the Location header of an HTTP response with status code 302. A fix is planned in 3.11.1, 3.10.9, 3.9.16, 3.8.16, and 3.7.16.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · python, fedoraproject, netappNVD modified 2026-10-14 19:16

Affected (CPE criteria) 27

  • cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:-:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:alpha3:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:alpha4:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:alpha5:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:alpha6:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:alpha7:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:beta4:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:beta5:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:python:python:3.11.0:rc2:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
  • cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:hci:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:management_services_for_element_software:-:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*

References 72