{"action":"Upgrade waitress to 1.3.1 or later.","affected":[{"fixed":"1.3.1","introduced":"0"}],"component":"waitress","cve_ids":["CVE-2019-16786"],"ecosystem":"PyPI","epss":0.02379,"exploited":false,"fixed_versions":["1.3.1"],"ghsa_id":"GHSA-g2xc-35jw-c63p","id":"tcs_01M5KG8HAH4K9WQPB0V2GWMQ45","modified_at":"2023-11-08T04:01:21.705659Z","published_at":"2019-12-20T23:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2019-137","https://github.com/Pylons/waitress/security/advisories/GHSA-g2xc-35jw-c63p","https://github.com/Pylons/waitress/commit/f11093a6b3240fc26830b6111e826128af7771c3","https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/","https://access.redhat.com/errata/RHSA-2020:0720"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2019-137","url":"https://osv.dev/vulnerability/PYSEC-2019-137"}],"summary":"Waitress through version 1.3.1 would parse the Transfer-Encoding header and only look for a single string value, if that value was not chunked it would fall through and use the Content-Length header i"}