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CVE-2023-23969

Published: 1 February 2023

In Django 3.2 before 3.2.17, 4.0 before 4.0.9, and 4.1 before 4.1.6, the parsed values of Accept-Language headers are cached in order to avoid repetitive parsing. This leads to a potential denial-of-service vector via excessive memory usage if the raw value of Accept-Language headers is very large.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
python-django
Launchpad, Ubuntu, Debian
bionic
Released (1:1.11.11-1ubuntu1.19)
focal
Released (2:2.2.12-1ubuntu0.15)
jammy
Released (2:3.2.12-2ubuntu1.4)
kinetic
Released (3:3.2.15-1ubuntu1.1)
trusty Needed

upstream
Released (4.1.6,4.0.9,3.2.17)
xenial
Released (1.8.7-1ubuntu5.15+esm6)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
lunar
Released (3:3.2.16-1ubuntu2)
mantic
Released (3:3.2.16-1ubuntu2)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H