CVE-2012-4217: Mozilla: Use-after-free and buffer overflow issues found using Address Sanitizer (MFSA 2012-105)

Severity: Critical

CVSS Score: 9.3

Use-after-free vulnerability in the nsViewManager::ProcessPendingUpdates 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.