{"action":"Upgrade waitress to 1.4.0 or later.","affected":[{"fixed":"1.4.0","introduced":"0"}],"component":"waitress","cve_ids":["CVE-2019-16792"],"ecosystem":"PyPI","epss":0.01984,"exploited":false,"fixed_versions":["1.4.0"],"ghsa_id":"GHSA-4ppp-gpcr-7qf6","id":"tcs_01M5KEYQR26556K4B5QHZRH4EF","modified_at":"2026-07-08T06:00:30.894868366Z","published_at":"2019-12-20T23:04:35Z","references":["https://osv.dev/vulnerability/GHSA-4ppp-gpcr-7qf6","https://github.com/Pylons/waitress/security/advisories/GHSA-4ppp-gpcr-7qf6","https://nvd.nist.gov/vuln/detail/CVE-2019-16792","https://github.com/Pylons/waitress/commit/575994cd42e83fd772a5f7ec98b2c56751bd3f65","https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes","https://github.com/Pylons/waitress","https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2020-178.yaml","https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html","https://www.oracle.com/security-alerts/cpuapr2022.html"],"severity":{"label":"critical"},"sources":[{"source":"osv","source_id":"GHSA-4ppp-gpcr-7qf6","url":"https://osv.dev/vulnerability/GHSA-4ppp-gpcr-7qf6"}],"summary":"HTTP Request Smuggling: Content-Length Sent Twice in Waitress"}