{"schema_version":"1.9.0","id":"GHSA-h8gc-pgj2-vjm3","published":"2023-11-03T06:36:30Z","modified":"2025-11-04T20:42:38.556437Z","aliases":["BIT-django-2023-43665","CVE-2023-43665","PYSEC-2023-226"],"summary":"Django Denial-of-service in django.utils.text.Truncator","details":"In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars() and words() methods (when used with html=True) are subject to a potential DoS (denial of service) attack via certain inputs with very long, potentially malformed HTML text. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which are thus also vulnerable. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232.","affected":[{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2a1"},{"fixed":"3.2.22"}]}],"versions":["3.2","3.2.1","3.2.10","3.2.11","3.2.12","3.2.13","3.2.14","3.2.15","3.2.16","3.2.17","3.2.18","3.2.19","3.2.2","3.2.20","3.2.21","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9","3.2a1","3.2b1","3.2rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-h8gc-pgj2-vjm3/GHSA-h8gc-pgj2-vjm3.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1a1"},{"fixed":"4.1.12"}]}],"versions":["4.1","4.1.1","4.1.10","4.1.11","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6","4.1.7","4.1.8","4.1.9","4.1a1","4.1b1","4.1rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-h8gc-pgj2-vjm3/GHSA-h8gc-pgj2-vjm3.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2a1"},{"fixed":"4.2.6"}]}],"versions":["4.2","4.2.1","4.2.2","4.2.3","4.2.4","4.2.5","4.2a1","4.2b1","4.2rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-h8gc-pgj2-vjm3/GHSA-h8gc-pgj2-vjm3.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43665"},{"type":"WEB","url":"https://github.com/django/django/commit/be9c27c4d18c2e6a5be8af4e53c0797440794473"},{"type":"WEB","url":"https://github.com/django/django/commit/c7b7024742250414e426ad49fb80db943e7ba4e8"},{"type":"WEB","url":"https://github.com/django/django/commit/ccdade1a0262537868d7ca64374de3d957ca50c5"},{"type":"WEB","url":"https://docs.djangoproject.com/en/4.2/releases/security"},{"type":"PACKAGE","url":"https://github.com/django/django"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-226.yaml"},{"type":"WEB","url":"https://groups.google.com/forum/#!forum/django-announce"},{"type":"WEB","url":"https://groups.google.com/forum/#%21forum/django-announce"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20231221-0001"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2023/oct/04/security-releases"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/03/04/1"}],"database_specific":{"cwe_ids":["CWE-1284","CWE-400"],"github_reviewed":true,"github_reviewed_at":"2023-11-03T19:35:28Z","nvd_published_at":"2023-11-03T05:15:30Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}