{"cve":"CVE-2007-2297","nvd":{"published":"2007-04-26T20:19:00.000","modified":"2026-06-16T22:39:19.067","status":"Modified","description":"The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://bugs.digium.com/view.php?id=9313","http://secunia.com/advisories/25582","http://securityreason.com/securityalert/2644","http://www.asterisk.org/files/ASA-2007-011.pdf","http://www.debian.org/security/2007/dsa-1358"],"products":["asterisk:asterisk"],"source":"nvd","synced_at":"2026-10-19T19:46:28.846926071+00:00"},"epss":{"cve":"CVE-2007-2297","score":0.02392,"percentile":0.83981,"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."]}