| CVE-2012-3989 | Date: (C)2012-10-10 (M)2024-03-27 |
Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 9.3 |
| Exploit Score: 8.6 |
| Impact Score: 10.0 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: MEDIUM |
| Authentication: NONE |
| Confidentiality: COMPLETE |
| Integrity: COMPLETE |
| Availability: COMPLETE |
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