{"action":"Upgrade gunicorn to 20.1.0-6+deb12u1 or later.","affected":[{"fixed":"20.1.0-6+deb12u1","introduced":"0"}],"component":"gunicorn","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["20.1.0-6+deb12u1"],"id":"tcs_01M5NK1W2HQ7MKKXF1TRBFSD3Q","modified_at":"2026-11-02T12:00:24.789091057Z","published_at":"2024-04-16T00:15:07.797Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2024-1135","https://security-tracker.debian.org/tracker/CVE-2024-1135"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2024-1135","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2024-1135"}],"summary":"Gunicorn fails to properly validate Transfer-Encoding headers, leading to HTTP Request Smuggling (HRS) vulnerabilities. By crafting requests with conflicting Transfer-Encoding headers, attackers can b"}