CVE-2023-36053

Publication date 4 July 2023

Last updated 19 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

In Django 3.2 before 3.2.20, 4 before 4.1.10, and 4.2 before 4.2.3, EmailValidator and URLValidator are subject to a potential ReDoS (regular expression denial of service) attack via a very large number of domain name labels of emails and URLs.

Status

Package Ubuntu Release Status
python-django 26.04 LTS resolute
Not affected
25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Fixed 3:3.2.18-1ubuntu0.3
22.10 kinetic
Fixed 3:3.2.15-1ubuntu1.4
22.04 LTS jammy
Fixed 2:3.2.12-2ubuntu1.7
20.04 LTS focal
Fixed 2:2.2.12-1ubuntu0.18
18.04 LTS bionic
Fixed 1:1.11.11-1ubuntu1.21+esm1
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support

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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

References

Related Ubuntu Security Notices (USN)

Other references

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