{"id":"DEBIAN-CVE-2026-3784","details":"curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection.","modified":"2026-09-16T08:47:33.412808094Z","published":"2026-03-11T11:16:00.437Z","upstream":["CVE-2026-3784"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-3784"}],"affected":[{"package":{"name":"curl","ecosystem":"Debian:12","purl":"pkg:deb/debian/curl?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.88.1-10+deb12u15"}]}],"versions":["7.88.1-10","7.88.1-10+deb12u1","7.88.1-10+deb12u11","7.88.1-10+deb12u12","7.88.1-10+deb12u13","7.88.1-10+deb12u14","7.88.1-10+deb12u1~bpo11+1","7.88.1-10+deb12u2","7.88.1-10+deb12u3","7.88.1-10+deb12u3~bpo11+1","7.88.1-10+deb12u4","7.88.1-10+deb12u5","7.88.1-10+deb12u5~bpo11+1","7.88.1-10+deb12u6","7.88.1-10+deb12u6~bpo11+1","7.88.1-10+deb12u7","7.88.1-10+deb12u8","7.88.1-10+deb12u9"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3784.json"}},{"package":{"name":"curl","ecosystem":"Debian:13","purl":"pkg:deb/debian/curl?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.14.1-2+deb13u4"}]}],"versions":["8.14.1-2","8.14.1-2+deb13u1","8.14.1-2+deb13u2","8.14.1-2+deb13u2~bpo13+1","8.14.1-2+deb13u3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3784.json"}},{"package":{"name":"curl","ecosystem":"Debian:14","purl":"pkg:deb/debian/curl?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.19.0-1"}]}],"versions":["8.14.1-2","8.14.1-2+exp1","8.15.0-1","8.15.0-1~bpo13+1","8.15.0-1~exp1","8.15.0~rc1-1exp1","8.15.0~rc2-1~exp1","8.15.0~rc3-1~exp1","8.16.0-1","8.16.0-1+exp1","8.16.0-1~bpo13+1","8.16.0-2","8.16.0-3","8.16.0-4","8.16.0-4~bpo13+1","8.16.0~rc1-1~exp1","8.16.0~rc2-1","8.16.0~rc2-2","8.16.0~rc3-1","8.17.0-1","8.17.0-2","8.17.0-3","8.17.0~rc1-1~exp1","8.17.0~rc2-1","8.17.0~rc3-1","8.18.0-1","8.18.0-1~bpo13+1","8.18.0-2","8.18.0~rc1-1+exp1","8.18.0~rc2-1","8.18.0~rc3-1","8.19.0-1~bpo13+1","8.19.0~rc1-1~exp1","8.19.0~rc2-1","8.19.0~rc2-2","8.19.0~rc3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3784.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"}]}