Use-after-free vulnerability in HTMLSourceElement::AfterSetAttr in Mozilla Firefox before 37.0 allows remote attackers to execute arbitrary code or cause a denial of service.

CVE-2015-0803 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

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.

Learn more about our Cis Benchmark Audit For Mozilla Firefox.