{"id":"CVE-2023-36053","details":"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.","aliases":["BIT-django-2023-36053","GHSA-jh3w-4vvf-mjgr","PYSEC-2023-100"],"modified":"2026-05-28T04:08:58.053137316Z","published":"2023-07-03T00:00:00Z","related":["SUSE-SU-2023:2839-1","SUSE-SU-2023:3167-1","SUSE-SU-2023:3202-1","openSUSE-SU-2023:0174-1","openSUSE-SU-2023:0176-1","openSUSE-SU-2023:0177-1","openSUSE-SU-2023:0178-1","openSUSE-SU-2024:13044-1","openSUSE-SU-2024:14208-1","openSUSE-SU-2026:10005-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36053.json","unresolved_ranges":[{"source":"DESCRIPTION","extracted_events":[{"introduced":"3.2"},{"fixed":"3.2.20"},{"introduced":"4"},{"fixed":"4.1.10"},{"introduced":"4.2"},{"fixed":"4.2.3"}]}],"cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://docs.djangoproject.com/en/4.2/releases/security/"},{"type":"WEB","url":"https://groups.google.com/forum/#%21forum/django-announce"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36053.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36053"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5465"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00022.html"},{"type":"ARTICLE","url":"https://www.djangoproject.com/weblog/2023/jul/03/security-releases/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/django/django","events":[{"introduced":"3591e1c1acbd7c13174275367c3fdf012cb0413b"},{"fixed":"19bc11f636ca2b5b80c3d9ad5b489e43abad52bb"},{"introduced":"ef62a3a68c9d558486145a42c0d71ea9a76add9e"},{"fixed":"f9a14b8f0668029fb7e0aebcae57b60dcec4a529"},{"introduced":"97aa3b7f08f51669e118f3af5ca91026e39664c3"},{"fixed":"1651351386ab31d8ae492c8a4922797714ca97d1"}],"database_specific":{"source":"CPE_RANGE","extracted_events":[{"introduced":"3.2"},{"fixed":"3.2.20"},{"introduced":"4.0"},{"fixed":"4.1.10"},{"introduced":"4.2"},{"fixed":"4.2.3"}],"cpe":"cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-36053.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}