{"id":"CVE-2006-0737","aliases":["EUVD-2006-0744","GHSA-qpg2-m69j-458m"],"status":"published","title":"eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP...","description":"eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03111,"percentile":0.87874,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2006-02-17T01:00:00Z","modified":"2026-06-16T22:21:10Z","exploits":[{"source":"exploitdb","id":"EDB-27211","title":"eStara SoftPhone 3.0.1 SIP Packet - Multiple Malformed Field Denial of Service Vulnerabilities","type":"dos","platform":"multiple","date":"2006-02-14","verified":true,"url":"https://www.exploit-db.com/exploits/27211"}],"products":[{"vendor":"estara","product":"softphone"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24677","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/18872","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2006/0607","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/16629","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/424943/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0737"},{"url":"https://github.com/advisories/GHSA-qpg2-m69j-458m"}],"sources":{"cve":[{"id":"CVE-2006-0737","description":"eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.","status":"published","published":"2006-02-17T01:00:00Z","modified":"2024-08-07T16:48:55.596Z","updated_at":"2026-11-02T14:33:52.947472Z"}],"euvd":[{"id":"EUVD-2006-0744","description":"eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.","status":"published","published":"2006-02-17T01:00:00Z","modified":"2024-08-07T16:48:55Z","updated_at":"2026-11-03T01:16:08.098658Z"}],"ghsa":[{"id":"GHSA-qpg2-m69j-458m","title":"eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP...","description":"eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.","status":"published","published":"2022-05-01T06:42:26Z","modified":"2023-01-31T05:00:42Z","updated_at":"2026-11-02T14:47:54.686871Z"}],"nvd":[{"id":"CVE-2006-0737","description":"eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.","status":"published","published":"2006-02-17T01:02:00Z","modified":"2026-06-16T22:21:10.94Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:00.920802Z"}]}}