### [CVE-2012-4187](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4187) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly manage a certain insPos variable, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and assertion failure) via unspecified vectors. ### POC #### Reference No PoCs from references. #### Github - https://github.com/Hwangtaewon/radamsa - https://github.com/StephenHaruna/RADAMSA - https://github.com/nqwang/radamsa - https://github.com/sambacha/mirror-radamsa - https://github.com/sunzu94/radamsa-Fuzzer