{"id":"UBUNTU-CVE-2022-40897","details":"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.","modified":"2026-01-30T00:33:19.759715Z","published":"2022-12-23T00:15:00Z","related":["USN-5817-1"],"upstream":["CVE-2022-40897"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-40897"},{"type":"REPORT","url":"https://github.com/pypa/setuptools/blob/fe8a98e696241487ba6ac9f91faa38ade939ec5d/setuptools/package_index.py#L200"},{"type":"REPORT","url":"https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/"},{"type":"REPORT","url":"https://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5817-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-40897"}],"affected":[{"package":{"name":"python-pip","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python-pip@1.5.4-1ubuntu4+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.4-1ubuntu4+esm2"}]}],"versions":["1.4.1-2","1.5.4-1","1.5.4-1ubuntu1","1.5.4-1ubuntu3","1.5.4-1ubuntu4","1.5.4-1ubuntu4+esm1"],"ecosystem_specific":{"availability":"Available 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