CVE-2023-36053

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.

How to fix CVE-2023-36053

To remediate CVE-2023-36053, upgrade the affected package to a fixed version below.

• Bitnami/django—upgrade to 3.2.20 or later
• —upgrade to 2:2.2.28-1~deb11u2 or later
• —upgrade to 1:1.11.29-1+deb10u9 or later
• —upgrade to 2:2.2.28-1~deb11u2 or later
• —upgrade to 3.2.20 or later
• —upgrade to 4.2.3 or later

Is CVE-2023-36053 being exploited?

Moderate — EPSS is 8.9%. Track this CVE but it's not at the top of the prioritisation list.

Affected packages (6)

• >= 3.2.0, < 3.2.20, >= 4.0.0, < 4.1.10, >= 4.2.0, < 4.2.3
• from 0, < 2:2.2.28-1~deb11u2
• from 0, < 1:1.11.29-1+deb10u9
• from 0, < 2:2.2.28-1~deb11u2
• >= 3.2a1, < 3.2.20
• >= 4.2, < 4.2.3, >= 4.0, < 4.1.10, >= 3.2, < 3.2.20

CVSS scores

References (27)

• ADVISORYgithub.com/advisories/GHSA-jh3w-4vvf-mjgr
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2023-36053
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2023-36053
• ADVISORYwww.djangoproject.com/weblog/2023/jul/03/security-releases/
• PATCH