{"id":"DEBIAN-CVE-2026-32239","details":"Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it as an impossibly large length instead. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.","modified":"2026-09-14T17:03:07.380015851Z","published":"2026-03-12T20:16:05.010Z","upstream":["CVE-2026-32239"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-32239"}],"affected":[{"package":{"name":"capnproto","ecosystem":"Debian:12","purl":"pkg:deb/debian/capnproto?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.2-2","0.9.2-3","0.9.2-4","1.0.1-1","1.0.1-2","1.0.1-3","1.0.1-4","1.1.0-1","1.1.0-2","1.1.0-2.1","1.4.0-1","1.4.0-2","1.4.0-3","1.5.0-1","1.5.0-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-32239.json"}},{"package":{"name":"capnproto","ecosystem":"Debian:13","purl":"pkg:deb/debian/capnproto?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0-2","1.1.0-2.1","1.4.0-1","1.4.0-2","1.4.0-3","1.5.0-1","1.5.0-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-32239.json"}},{"package":{"name":"capnproto","ecosystem":"Debian:14","purl":"pkg:deb/debian/capnproto?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0-2"}]}],"versions":["1.1.0-2","1.1.0-2.1","1.4.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-32239.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:L/I:L/A:N"}]}