CVE-2012-3989: Buffer Overflow
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-3989?
CVE-2012-3989 has a severity rating that indicates it allows remote attackers to execute arbitrary code or cause a denial of service.
How do I fix CVE-2012-3989?
To fix CVE-2012-3989, update to the latest versions of Mozilla Firefox, Thunderbird, or SeaMonkey beyond the vulnerable versions specified.
What versions are affected by CVE-2012-3989?
CVE-2012-3989 affects Mozilla Firefox versions prior to 16.0, Thunderbird versions prior to 16.0, and SeaMonkey versions prior to 2.13.
Are there any operating systems affected by CVE-2012-3989?
Yes, Ubuntu Linux versions 10.04, 11.04, 11.10, and 12.04 are affected by CVE-2012-3989.
What types of attacks can be executed due to CVE-2012-3989?
CVE-2012-3989 can be exploited to execute arbitrary code or trigger a denial of service condition.