{"cve":{"cve_id":"CVE-2007-4455","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":0.01775,"epss_percentile":0.75314,"epss_as_of":"2026-06-23","description":"The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.","published_at":"2007-08-22T01:00:00Z","last_modified_at":"2026-06-16T22:44:07.843000Z","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":null,"nvd_references":["http://securityreason.com/securityalert/3047","http://www.vupen.com/english/advisories/2007/2953","http://downloads.digium.com/pub/asa/AST-2007-020.html","http://www.securityfocus.com/bid/25392","http://seclists.org/fulldisclosure/2007/Aug/0393.html","https://exchange.xforce.ibmcloud.com/vulnerabilities/36145","http://secunia.com/advisories/26553","http://www.securitytracker.com/id?1018595"],"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":"2026-06-28T23:04:08.465798Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"asterisk","vendor_name":"asterisk","product_slug":"asterisk","product_name":"asterisk","version_start":null,"version_start_inclusive":null,"version_end":"1.4.9","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*"},{"vendor_slug":"asterisk","vendor_name":"asterisk","product_slug":"asterisk-appliance-developer-kit","product_name":"asterisk_appliance_developer_kit","version_start":null,"version_start_inclusive":null,"version_end":"0.7","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*"},{"vendor_slug":"asterisk","vendor_name":"asterisk","product_slug":"asterisknow","product_name":"asterisknow","version_start":null,"version_start_inclusive":null,"version_end":"beta_6","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:asterisk:asterisknow:*:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://securityreason.com/securityalert/3047","source_type":"MISC","tags":[]},{"url":"http://www.vupen.com/english/advisories/2007/2953","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://downloads.digium.com/pub/asa/AST-2007-020.html","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/25392","source_type":"MISC","tags":[]},{"url":"http://seclists.org/fulldisclosure/2007/Aug/0393.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36145","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/26553","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securitytracker.com/id?1018595","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2007-08-22T01:00:00Z","label":"CVE published","source":null}]}