CVE-2023-23969

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "FDA5D2BA-8195-4151-81BF-61B77617DB02", "versionEndExcluding": "3.2.17", "versionStartIncluding": "3.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "4722ED63-A5C3-483E-9C70-CDAF197486BE", "versionEndExcluding": "4.0.9", "versionStartIncluding": "4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "E71A1487-1E70-4162-8DDF-697CA23C5A05", "versionEndExcluding": "4.1.6", "versionStartIncluding": "4.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2023-23969", "lastModified": "2026-06-17T05:38:22.770", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-23969", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-03-27T14:17:12.981645Z", "version": "2.0.3"}}]}, "published": "2023-02-01T19:15:08.763", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://docs.djangoproject.com/en/4.1/releases/security/"}, {"source": "cve@mitre.org", "url": "https://groups.google.com/forum/#%21forum/django-announce"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00000.html"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWY6DQWRVBALV73BPUVBXC3QIYUM24IK/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTZVAKU5ALQWOKFTPISE257VCVIYGFQI/"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20230302-0007/"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.djangoproject.com/weblog/2023/feb/01/security-releases/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://docs.djangoproject.com/en/4.1/releases/security/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://groups.google.com/forum/#%21forum/django-announce"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWY6DQWRVBALV73BPUVBXC3QIYUM24IK/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTZVAKU5ALQWOKFTPISE257VCVIYGFQI/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20230302-0007/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.djangoproject.com/weblog/2023/feb/01/security-releases/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-770"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:2097", "cpe": "cpe:/a:redhat:satellite:6.13::el8", "package": "python-django-0:3.2.18-1.el8pc", "product_name": "Red Hat Satellite 6.13 for RHEL 8", "release_date": "2023-05-03T00:00:00Z"}, {"advisory": "RHSA-2023:2097", "cpe": "cpe:/a:redhat:satellite_capsule:6.13::el8", "package": "python-django-0:3.2.18-1.el8pc", "product_name": "Red Hat Satellite 6.13 for RHEL 8", "release_date": "2023-05-03T00:00:00Z"}, {"advisory": "RHSA-2023:2101", "cpe": "cpe:/a:redhat:rhui:4::el8", "impact": "moderate", "package": "python-django-0:3.2.18-1.0.1.el8ui", "product_name": "RHUI 4 for RHEL 8", "release_date": "2023-05-03T00:00:00Z"}], "bugzilla": {"description": "python-django: Potential denial-of-service via Accept-Language headers", "id": "2166457", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2166457"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["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.", "A flaw was found in python-django. The parsed values of the 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 large header values are sent."], "name": "CVE-2023-23969", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "python-django", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:3", "fix_state": "Out of support scope", "package_name": "python-django", "product_name": "Red Hat Ceph Storage 3"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "python-django", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:16.1", "fix_state": "Will not fix", "package_name": "python-django20", "product_name": "Red Hat OpenStack Platform 16.1"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Will not fix", "package_name": "python-django20", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.0", "fix_state": "Will not fix", "package_name": "python-django", "product_name": "Red Hat OpenStack Platform 17.0"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "impact": "moderate", "package_name": "satellite-capsule:el8/python-django", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "impact": "moderate", "package_name": "satellite:el8/python-django", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Affected", "package_name": "python-django", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/a:redhat:rhui:3", "fix_state": "Will not fix", "impact": "moderate", "package_name": "python-django", "product_name": "Red Hat Update Infrastructure 3 for Cloud Providers"}], "public_date": "2023-02-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-23969\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-23969\nhttps://github.com/django/django/commit/4452642f193533e288a52c02efb5bbc766a68f95\nhttps://github.com/django/django/commit/8a7b22d4a623bcd95190d2f5a958472fb41e576d\nhttps://github.com/django/django/commit/8c660fb59239828583f17cdede3b64f208b8752c\nhttps://github.com/django/django/commit/9d7bd5a56b1ce0576e8e07a8001373576d277942\nhttps://github.com/django/django/commit/c7e0151fdf33e1b11d488b6f67b94fdf3a30614a\nhttps://www.djangoproject.com/weblog/2023/feb/01/security-releases/"], "threat_severity": "Moderate"}

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