CVE-2012-4218

Use-after-free vulnerability in the BuildTextRunsScanner::BreakSink::SetBreaks 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.

Date published : 2012-11-21

http://www.securityfocus.com/bid/56640

http://www.mozilla.org/security/announce/2012/mfsa2012-105.html