{"id":"CVE-2011-0073","aliases":["DSA-2227-1","DSA-2228-1","DSA-2235-1","EUVD-2011-0099","GHSA-rcq6-xcmq-vpwm","RHSA-2011:0471","RHSA-2011:0473","RHSA-2011:0474","RHSA-2011:0475"],"status":"published","title":"Mozilla Firefox before 3.5.19 and 3.6.x before 3.6.17, and SeaMonkey before 2.0.14, does not...","description":"Mozilla Firefox before 3.5.19 and 3.6.x before 3.6.17, and SeaMonkey before 2.0.14, does not properly use nsTreeRange data structures, which allows remote attackers to execute arbitrary code via unspecified vectors that lead to a \"dangling pointer.\"","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.70893,"percentile":0.99403,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2011-04-30T00:00:00Z","modified":"2026-06-28T10:04:51Z","exploits":[{"source":"metasploit","id":"exploit/windows/browser/mozilla_nstreerange","title":"Mozilla Firefox \"nsTreeRange\" Dangling Pointer Vulnerability","type":"exploit","platform":"Windows","date":"2011-02-02","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/browser/mozilla_nstreerange"},{"source":"exploitdb","id":"EDB-17419","title":"Mozilla Firefox - 'nsTreeRange' Dangling Pointer 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