{"id":"DEBIAN-CVE-2026-40560","details":"Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence.  Starman incorrectly prioritizes \"Content-Length\" over \"Transfer-Encoding: chunked\" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence.  An attacker could exploit this to smuggle malicious HTTP requests via a front-end reverse proxy.","modified":"2026-09-14T17:03:10.847521942Z","published":"2026-04-29T00:16:03.927Z","upstream":["CVE-2026-40560"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-40560"}],"affected":[{"package":{"name":"starman","ecosystem":"Debian:12","purl":"pkg:deb/debian/starman?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4016-1","0.4017-1","0.4018-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40560.json"}},{"package":{"name":"starman","ecosystem":"Debian:13","purl":"pkg:deb/debian/starman?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4018-0+deb13u1"}]}],"versions":["0.4017-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40560.json"}},{"package":{"name":"starman","ecosystem":"Debian:14","purl":"pkg:deb/debian/starman?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4018-1"}]}],"versions":["0.4017-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40560.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}