{"id":"DEBIAN-CVE-2026-54399","details":"Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive header length","modified":"2026-09-01T16:06:52.167371970Z","published":"2026-07-01T17:16:36.357Z","upstream":["CVE-2026-54399"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-54399"}],"affected":[{"package":{"name":"httpcomponents-core","ecosystem":"Debian:12","purl":"pkg:deb/debian/httpcomponents-core?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.16-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54399.json"}},{"package":{"name":"httpcomponents-core","ecosystem":"Debian:13","purl":"pkg:deb/debian/httpcomponents-core?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.16-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54399.json"}},{"package":{"name":"httpcomponents-core","ecosystem":"Debian:14","purl":"pkg:deb/debian/httpcomponents-core?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.16-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54399.json"}},{"package":{"name":"httpcomponents-core5","ecosystem":"Debian:12","purl":"pkg:deb/debian/httpcomponents-core5?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.1-1","5.2.2-1","5.2.2-2","5.4-1","5.4.2-1","5.4.2-1.1","5.4.2-2","5.4.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54399.json"}},{"package":{"name":"httpcomponents-core5","ecosystem":"Debian:13","purl":"pkg:deb/debian/httpcomponents-core5?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.2-1","5.2.2-2","5.4-1","5.4.2-1","5.4.2-1.1","5.4.2-2","5.4.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54399.json"}},{"package":{"name":"httpcomponents-core5","ecosystem":"Debian:14","purl":"pkg:deb/debian/httpcomponents-core5?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.3-1"}]}],"versions":["5.2.2-1","5.2.2-2","5.4-1","5.4.2-1","5.4.2-1.1","5.4.2-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54399.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:N/I:N/A:H"}]}