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{"bugzilla": {"description": "asterisk: remote crash in SIP channel driver (AST-2009-002)", "id": "489725", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=489725"}, "csaw": false, "details": ["The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions."], "name": "CVE-2009-0871", "public_date": "2009-03-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0871\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-0871"], "threat_severity": "Moderate"}