HIGH · 9.3

CVE-2012-3989

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, ...

Vulnerability Description

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

9.3

HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE

Affected Products

VendorProductVersions
MozillaFirefox< 16.0
MozillaSeamonkey< 2.13
MozillaThunderbird< 16.0
CanonicalUbuntu Linux10.04
SuseLinux Enterprise Desktop10
SuseLinux Enterprise Server10

Related Weaknesses (CWE)

References

FAQ

What is CVE-2012-3989?

CVE-2012-3989 is a vulnerability with a CVSS score of 9.3 (HIGH). 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, ...

How severe is CVE-2012-3989?

CVE-2012-3989 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2012-3989?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird, Canonical Ubuntu Linux, Suse Linux Enterprise Desktop.