CVE-2020-14422

MediumCVSS 5.9/10Last modified Oct 14, 2026

Description

Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a dictionary containing IPv4Interface or IPv6Interface objects, and this attacker can cause many dictionary entries to be created. This is fixed in: v3.5.10, v3.5.10rc1; v3.6.12; v3.7.9; v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1; v3.9.0, v3.9.0b4, v3.9.0b5, v3.9.0rc1, v3.9.0rc2.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-330CWE-682

Affected software

No affected versions have been published.

Timeline

Published
Jun 18, 2020
Last modified
Oct 14, 2026
NVD status
Modified

Related CVEs from 2020

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CVE-2020-14422: Medium severity, CVSS 5.9 | Vulnix