{"id":"CVE-2022-40897","state":"PUBLISHED","title":"Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is ","description":"Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.","publishedAt":"2022-12-22T00:00:00.000Z","updatedAt":"2025-11-04T16:09:54.794Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/pypa/setuptools/blob/fe8a98e696241487ba6ac9f91faa38ade939ec5d/setuptools/package_index.py#L200","https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/","https://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be","https://pyup.io/vulnerabilities/CVE-2022-40897/52495/","https://github.com/pypa/setuptools/compare/v65.5.0...v65.5.1","https://security.netapp.com/advisory/ntap-20230214-0001/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R/","https://security.netapp.com/advisory/ntap-20240621-0006/","https://lists.debian.org/debian-lts-announce/2024/09/msg00018.html"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T19:50:35.280Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/40xxx/CVE-2022-40897.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-40897","state":"PUBLISHED","datePublished":"2022-12-22T00:00:00.000Z","dateUpdated":"2025-11-04T16:09:54.794Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2022-09-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. 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