{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-14550", "assignerOrgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "state": "PUBLISHED", "assignerShortName": "DSF", "dateReserved": "2025-12-11T20:08:21.400Z", "datePublished": "2026-02-03T14:38:15.875Z", "dateUpdated": "2026-02-03T16:27:38.976Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "shortName": "DSF", "dateUpdated": "2026-02-03T14:38:15.875Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-407", "description": "CWE-407: Inefficient Algorithmic Complexity", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130: Excessive Allocation"}]}], "title": "Potential denial-of-service vulnerability via repeated headers when using ASGI", "metrics": [{"other": {"content": {"value": "moderate", "namespace": "https://docs.djangoproject.com/en/dev/internals/security/#security-issue-severity-levels"}, "type": "Django severity rating"}}], "descriptions": [{"lang": "en", "value": "An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.\n`ASGIRequest` allows a remote attacker to cause a potential denial-of-service via a crafted request with multiple duplicate headers.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Jiyong Yang for reporting this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.</p><p>`ASGIRequest` allows a remote attacker to cause a potential denial-of-service via a crafted request with multiple duplicate headers.</p><p>Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.</p><p>Django would like to thank Jiyong Yang for reporting this issue.</p>"}]}], "affected": [{"collectionURL": "https://pypi.org/project/Django/", "defaultStatus": "unaffected", "packageName": "django", "product": "Django", "repo": "https://github.com/django/django/", "vendor": "djangoproject", "versions": [{"status": "affected", "version": "6.0", "lessThan": "6.0.2", "versionType": "semver"}, {"status": "unaffected", "version": "6.0.2", "versionType": "semver"}, {"status": "affected", "version": "5.2", "lessThan": "5.2.11", "versionType": "semver"}, {"status": "unaffected", "version": "5.2.11", "versionType": "semver"}, {"status": "affected", "version": "4.2", "lessThan": "4.2.28", "versionType": "semver"}, {"status": "unaffected", "version": "4.2.28", "versionType": "semver"}]}, {"collectionURL": "https://pypi.org/project/asgiref/", "defaultStatus": "unaffected", "packageName": "asgiref", "product": "asgiref", "repo": "https://github.com/django/asgiref/", "vendor": "djangoproject", "versions": [{"status": "affected", "version": "3", "lessThan": "3.11.1", "versionType": "semver"}, {"status": "unaffected", "version": "3.11.1", "versionType": "semver"}]}], "references": [{"url": "https://docs.djangoproject.com/en/dev/releases/security/", "name": "Django security archive", "tags": ["vendor-advisory"]}, {"url": "https://groups.google.com/g/django-announce", "name": "Django releases announcements", "tags": ["mailing-list"]}, {"url": "https://www.djangoproject.com/weblog/2026/feb/03/security-releases/", "name": "Django security releases issued: 6.0.2, 5.2.11, and 4.2.28", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "type": "reporter", "value": "Jiyong Yang"}, {"lang": "en", "type": "remediation developer", "value": "Jake Howard"}, {"lang": "en", "type": "coordinator", "value": "Jacob Walls"}], "timeline": [{"lang": "en", "time": "2025-11-14T18:00:00", "value": "Initial report received."}, {"lang": "en", "time": "2025-12-16T18:00:00", "value": "Vulnerability confirmed."}, {"lang": "en", "time": "2026-02-03T08:00:00", "value": "Security release issued."}], "datePublic": "2026-02-03T08:00:00.000Z", "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-02-03T16:27:25.280447Z", "id": "CVE-2025-14550", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-03T16:27:38.976Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.\n`ASGIRequest` allows a remote attacker to cause a potential denial-of-service via a crafted request with multiple duplicate headers.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Jiyong Yang for reporting this issue."}], "id": "CVE-2025-14550", "lastModified": "2026-02-03T16:44:03.343", "metrics": {}, "published": "2026-02-03T15:16:11.750", "references": [{"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://docs.djangoproject.com/en/dev/releases/security/"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://groups.google.com/g/django-announce"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://www.djangoproject.com/weblog/2026/feb/03/security-releases/"}], "sourceIdentifier": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-407"}], "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "type": "Secondary"}]}

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