{"cve":"CVE-2009-0758","nvd":{"published":"2009-03-03T16:30:05.313","modified":"2026-06-16T23:05:44.850","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=517683","http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html","http://secunia.com/advisories/38420","http://www.debian.org/security/2010/dsa-2086","http://www.mandriva.com/security/advisories?name=MDVSA-2009:076"],"products":["avahi:avahi-daemon"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2009-0758","score":0.02011,"percentile":0.80869,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}