{"action":"Upgrade waitress to 1.4.1-1 or later.","affected":[{"fixed":"1.4.1-1","introduced":"0"}],"component":"waitress","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.4.1-1"],"id":"tcs_01M5NDZQ6EZA0WYFZQ9CDSFPFS","modified_at":"2026-09-21T07:01:37.814823952Z","published_at":"2019-12-20T23:15:11.277Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-16786","https://security-tracker.debian.org/tracker/CVE-2019-16786"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-16786#Debian:13/waitress","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-16786"}],"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"}