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Published: 04 January 2022

An issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. UserAttributeSimilarityValidator incurred significant overhead in evaluating a submitted password that was artificially large in relation to the comparison values. In a situation where access to user registration was unrestricted, this provided a potential vector for a denial-of-service attack.




Package Release Status
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri)
Released (2:2.2.24-1ubuntu1.2)
Ubuntu 21.04 (Hirsute Hippo)
Released (2:2.2.20-1ubuntu0.4)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2:2.2.12-1ubuntu0.9)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1:1.11.11-1ubuntu1.15)
Ubuntu 16.04 ESM (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Needs triage