CVE-2016-5258

Source
Severity Critical
Remote Yes
Type Arbitrary code execution
Description
Use-after-free vulnerability in the WebRTC socket thread in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code by leveraging incorrect free operations on DTLS objects during the shutdown of a WebRTC session.
Notes
https://www.mozilla.org/en-US/security/advisories/mfsa2016-72/