VulnerabilityModified
CVE-2023-36053
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.
HIGH 7.5EPSS 2.98%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.98% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1333
- Affected
- djangoproject/django · debian/debian linux · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://docs.djangoproject.com/en/4.2/releases/security/Release Notes
- https://groups.google.com/forum/#%21forum/django-announcePermissions Required
- https://lists.debian.org/debian-lts-announce/2023/07/msg00022.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
- https://www.debian.org/security/2023/dsa-5465Third Party Advisory
- https://www.djangoproject.com/weblog/2023/jul/03/security-releases/Patch, Vendor Advisory
- https://docs.djangoproject.com/en/4.2/releases/security/Release Notes
- https://groups.google.com/forum/#%21forum/django-announcePermissions Required
- https://lists.debian.org/debian-lts-announce/2023/07/msg00022.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
- https://www.debian.org/security/2023/dsa-5465Third Party Advisory
- https://www.djangoproject.com/weblog/2023/jul/03/security-releases/Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.