View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2016-1976 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 8 status rows across 4 suites (precise, trusty, upstream, wily): not-affected 5, DNE 2, released 1.
Use-after-free vulnerability in the DesktopDisplayDevice class in the WebRTC implementation in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.