### [CVE-2015-0803](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0803) ![](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 The HTMLSourceElement::AfterSetAttr function in Mozilla Firefox before 37.0 does not properly constrain the original data type of a casted value during the setting of a SOURCE element's attributes, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via a crafted HTML document. ### POC #### Reference - http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html - http://www.ubuntu.com/usn/USN-2550-1 #### Github No PoCs found on GitHub currently.