CVE-2012-0463: Input Validation
The nsWindow implementation in the browser engine in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 does not check the validity of an instance after event dispatching, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, as demonstrated by Mobile Firefox on Android.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-0463?
CVE-2012-0463 has a severity rating classified as moderate.
How do I fix CVE-2012-0463?
To fix CVE-2012-0463, update Firefox to version 3.6.28 or later, Thunderbird to version 3.1.20 or later, or SeaMonkey to version 2.8 or later.
What versions of Firefox are affected by CVE-2012-0463?
CVE-2012-0463 affects Firefox versions prior to 3.6.28 and between 4.x and 10.0.
Which Thunderbird versions are impacted by CVE-2012-0463?
CVE-2012-0463 impacts Thunderbird versions earlier than 3.1.20 and between 5.0 and 10.0.
Does CVE-2012-0463 affect Firefox ESR users?
Yes, CVE-2012-0463 affects Firefox ESR versions prior to 10.0.3.