{"action":"Upgrade mitmproxy to 8.1.1-1 or later.","affected":[{"fixed":"8.1.1-1","introduced":"0"}],"component":"mitmproxy","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["8.1.1-1"],"id":"tcs_01M5NFXMWF9MYKYMP5EEDC2BXM","modified_at":"2026-10-23T18:03:38.275012272Z","published_at":"2021-09-16T15:15:07.460Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-39214","https://security-tracker.debian.org/tracker/CVE-2021-39214"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-39214","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-39214"}],"summary":"mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.2 and below, a malicious client or server is able to perform HTTP request smuggling attacks through mitmproxy. This me"}