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Mozilla Foundation Security Advisory 2016-33

Use-after-free in GetStaticInstance in WebRTC

Announced
March 8, 2016
Reporter
Ronald Crane
Impact
High
Products
Firefox
Fixed in
  • Firefox 45

Description

Security researcher Ronald Crane reported a race condition in GetStaticInstance in WebRTC which results in a use-after-free. This could result in a potentially exploitable crash. This issue was found through code inspection and does not have clear mechanism to be exploited through web content but is vulnerable if a mechanism can be found to trigger it.

References