{"id":"CVE-2023-23969","published":"2023-02-01T00:00:00Z","modified":"2025-03-27T14:17:49Z","title":"In Django 3.2 before 3.2.17, 4.0 before 4.0.9, and 4.1 before 4.1.6, the parsed values of Accept-Language headers are…","vendor":null,"product":null,"tier":"tail","description":{"text":"In Django 3.2 before 3.2.17, 4.0 before 4.0.9, and 4.1 before 4.1.6, the parsed values of Accept-Language headers are cached in order to avoid repetitive parsing. This leads to a potential denial-of-service vector via excessive memory usage if the raw value of Accept-Language headers is very large.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.47381,"percentile":0.98836,"provenance":"source"},"cwes":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"}],"references":[{"url":"https://groups.google.com/forum/#%21forum/django-announce","tags":[]},{"url":"https://docs.djangoproject.com/en/4.1/releases/security/","tags":[]},{"url":"https://www.djangoproject.com/weblog/2023/feb/01/security-releases/","tags":[]},{"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00000.html","tags":["mailing-list"]},{"url":"https://security.netapp.com/advisory/ntap-20230302-0007/","tags":[]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWY6DQWRVBALV73BPUVBXC3QIYUM24IK/","tags":["vendor-advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTZVAKU5ALQWOKFTPISE257VCVIYGFQI/","tags":["vendor-advisory"]}],"priority":{"score":25.0,"factors":[{"name":"EPSS percentile","points":19.77},{"name":"CVSS severity","points":5.25}]},"affected":[{"ecosystem":"PyPI","package":"Django","vulnerableRanges":[">=3.2a1, <3.2.17",">=4.0a1, <4.0.9",">=4.1a1, <4.1.6",">=3.2, <3.2.17",">=4.0, <4.0.9",">=4.1, <4.1.6"],"patched":["3.2.17","4.0.9","4.1.6"],"from":["GHSA-q2jf-h9jm-m7p4","PYSEC-2023-12"],"provenance":"source"}],"euvd":{"id":"EUVD-2023-0066","exploited":false,"provenance":"source"},"lineage":{"packageHistory":[{"cve":"CVE-2022-34265","published":"2022-07-04","fixed":"4.0.6","kev":false},{"cve":"CVE-2022-36359","published":"2022-08-03","fixed":"4.0.7","kev":false},{"cve":"CVE-2022-41323","published":"2022-10-16","fixed":"4.1.2","kev":false,"link":{"from":"CVE-2022-41323","to":"CVE-2023-23969","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"PyPI:Django","fromFixed":"3.2.16","toFixed":"3.2.17","daysApart":108},{"kind":"version-step","provenance":"source","package":"PyPI:Django","fromFixed":"4.0.8","toFixed":"4.0.9","daysApart":108}]}},{"cve":"CVE-2023-23969","published":"2023-02-01","fixed":"4.1.6","kev":false},{"cve":"CVE-2023-24580","published":"2023-02-15","fixed":"4.1.7","kev":false,"link":{"from":"CVE-2023-23969","to":"CVE-2023-24580","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"PyPI:Django","fromFixed":"3.2.17","toFixed":"3.2.18","daysApart":14},{"kind":"version-step","provenance":"source","package":"PyPI:Django","fromFixed":"4.1.6","toFixed":"4.1.7","daysApart":14}]}},{"cve":"CVE-2023-31047","published":"2023-05-07","fixed":"4.2.1","kev":false},{"cve":"CVE-2023-36053","published":"2023-07-03","fixed":"4.2.3","kev":false}],"package":"PyPI:Django"}}