CVE-2012-4214: Use After Free
Use-after-free vulnerability in the nsTextEditorState::PrepareEditor function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-5840.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2012-4214?
CVE-2012-4214 is considered a high-severity vulnerability that can lead to remote code execution.
How do I fix CVE-2012-4214?
To fix CVE-2012-4214, update Mozilla Firefox, Thunderbird, or SeaMonkey to the latest version available that resolves this issue.
Which versions are affected by CVE-2012-4214?
CVE-2012-4214 affects versions of Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14.
Is CVE-2012-4214 exploitable remotely?
Yes, CVE-2012-4214 can be exploited remotely by attackers through crafted web content.
What impact can CVE-2012-4214 have on my system?
Exploitation of CVE-2012-4214 can lead to arbitrary code execution on the affected system, potentially compromising system integrity.