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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 2.99% Top 15%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory djangoproject.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://groups.google.com/forum/#%21forum/django-announce permissions required
https://docs.djangoproject.com/en/4.2/releases/security/ release notes
https://www.djangoproject.com/weblog/2023/jul/03/security-releases/ patch vendor advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00022.html mailing list
https://www.debian.org/security/2023/dsa-5465 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/ vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/ vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-36053?
CVE-2023-36053 has been scored as a high severity vulnerability.
How to fix CVE-2023-36053?
To fix CVE-2023-36053, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-36053 being actively exploited in the wild?
It is possible that CVE-2023-36053 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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