CVE-2012-4212: Mozilla: Use-after-free and buffer overflow issues found using Address Sanitizer (MFSA 2012-105)

Severity: Critical

CVSS Score: 10

Use-after-free vulnerability in the XPCWrappedNative::Mark function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.