CVE-2012-3991: Critical severity firefox vulnerability
Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly restrict JSAPI access to the GetProperty function, which allows remote attackers to bypass the Same Origin Policy and possibly have unspecified other impact via a crafted web site.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-3991?
CVE-2012-3991 has a moderate severity rating due to its potential to bypass the Same Origin Policy.
How do I fix CVE-2012-3991?
To fix CVE-2012-3991, update your affected Mozilla Firefox, Thunderbird, or SeaMonkey to the latest version.
Which software is affected by CVE-2012-3991?
CVE-2012-3991 affects Mozilla Firefox before version 16.0, Thunderbird before version 16.0, and SeaMonkey before version 2.13.
Can CVE-2012-3991 be exploited remotely?
Yes, CVE-2012-3991 can be exploited remotely by attackers to bypass security measures.
Is CVE-2012-3991 still a risk in updated software?
No, CVE-2012-3991 is mitigated in versions of the affected software released after the updates addressing this vulnerability.