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**Name of the Vulnerable Software and Affected Versions** Mozilla Firefox versions prior to 3.6.18 Thunderbird versions prior to 3.1.11 **Description** The issue is related to multiple unspecified vulnerabilities in the browser engine, allowing remote attackers to cause a denial of service, which includes memory corruption and application crash, or possibly execute arbitrary code via unknown vectors. **Recommendations** For Mozilla Firefox versions prior to 3.6.18, update to version 3.6.18 or later. For Thunderbird versions prior to 3.1.11, update to version 3.1.11 or later.

**Name of the Vulnerable Software and Affected Versions** Mozilla Firefox versions 3.5.x through 3.5.9 Mozilla Firefox versions 3.6.x through 3.6.3 Thunderbird versions prior to 3.0.5 SeaMonkey versions prior to 2.0.5 **Description** The issue is related to multiple unspecified vulnerabilities in the JavaScript engine, which can be exploited by remote attackers to cause a denial of service, resulting in memory corruption and application crash, or possibly execute arbitrary code via unknown vectors. **Recommendations** For Mozilla Firefox versions 3.5.x through 3.5.9, update to version 3.5.10 or later. For Mozilla Firefox versions 3.6.x through 3.6.3, update to version 3.6.4 or later. For Thunderbird versions prior to 3.0.5, update to version 3.0.5 or later. For SeaMonkey versions prior to 2.0.5, update to version 2.0.5 or later.

**Name of the Vulnerable Software and Affected Versions** Mozilla Firefox versions 3.5.x through 3.5.1 **Description** The issue allows remote attackers to cause a denial of service, resulting in memory corruption and application crash, or possibly execute arbitrary code. This is related to the `TraceRecorder::snapshot` function in `js/src/jstracer.cpp` and other unspecified vectors. **Recommendations** For Mozilla Firefox versions 3.5.x through 3.5.1, update to version 3.5.2 or later to resolve the issue.