{"cve":{"cve_id":"CVE-2009-0758","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.02011,"epss_percentile":0.78331,"epss_as_of":"2026-06-23","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.","published_at":"2009-03-03T16:00:00Z","last_modified_at":"2026-06-16T23:05:44.850000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-399"],"nvd_references":["http://www.openwall.com/lists/oss-security/2009/03/02/1","http://www.mandriva.com/security/advisories?name=MDVSA-2009:076","http://www.debian.org/security/2010/dsa-2086","http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html","http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=517683","http://www.securityfocus.com/bid/33946","http://secunia.com/advisories/38420"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:04:56.771637Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"avahi","vendor_name":"avahi","product_slug":"avahi-daemon","product_name":"avahi-daemon","version_start":"0.6.23","version_start_inclusive":true,"version_end":"0.6.23","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:avahi:avahi-daemon:0.6.23:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2009/03/02/1","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:076","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.debian.org/security/2010/dsa-2086","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=517683","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securityfocus.com/bid/33946","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/38420","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2009-03-03T16:00:00Z","label":"CVE published","source":null}]}