{"id":"DEBIAN-CVE-2009-0758","details":"The originates_from_local_legacy_unicast_socket function in avahi-core/server.c in avahi-daemon 0.6.23 does not account for the network byte order of a port number when processing incoming multicast packets, which allows remote attackers to cause a denial of service (network bandwidth and CPU consumption) via a crafted legacy unicast mDNS query packet that triggers a multicast packet storm.","modified":"2026-09-22T16:47:28.603582799Z","published":"2009-03-03T16:30:05.313Z","upstream":["CVE-2009-0758"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2009-0758"}],"affected":[{"package":{"name":"avahi","ecosystem":"Debian:12","purl":"pkg:deb/debian/avahi?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.24-3"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0758.json"}},{"package":{"name":"avahi","ecosystem":"Debian:13","purl":"pkg:deb/debian/avahi?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.24-3"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0758.json"}},{"package":{"name":"avahi","ecosystem":"Debian:14","purl":"pkg:deb/debian/avahi?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.24-3"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0758.json"}}],"schema_version":"1.9.0"}