CVE-2023-41164

Publication date 4 September 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In Django 3.2 before 3.2.21, 4.1 before 4.1.11, and 4.2 before 4.2.5, django.utils.encoding.uri_to_iri() is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-django	24.04 LTS noble	Fixed 3:4.2.4-1ubuntu1
	23.10 mantic	Fixed 3:4.2.4-1ubuntu1
	23.04 lunar	Fixed 3:3.2.18-1ubuntu0.4
	22.04 LTS jammy	Fixed 2:3.2.12-2ubuntu1.8
	20.04 LTS focal	Fixed 2:2.2.12-1ubuntu0.19
	18.04 LTS bionic	Fixed 1:1.11.11-1ubuntu1.21+esm2 Ubuntu Pro
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Needs evaluation

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Notes

alexmurray

According to the upstream advisory affects versions 3.2.x, 4.1.x and 4.2.x with fixes in 3.2.21, 4.1.11 and 4.2.5 respectively

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
python-django	Upstream: 3f41d6d Upstream: 9c51b4d Upstream: ba00bc5 Upstream: 6f030b1

Severity score breakdown

Parameter	Value
Base score	7.5 · High
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