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.
| Software | From | Fixed in |
|---|---|---|
| canonical / ubuntu_linux | 12.04 | 12.04.x |
| canonical / ubuntu_linux | 14.10 | 14.10.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| opensuse / opensuse | 13.1 | 13.1.x |
| opensuse / opensuse | 13.2 | 13.2.x |
| mozilla / firefox | - | 36.0.4.x |