CVE-2016-5259

Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.

Date published : 2016-08-04

http://www.securityfocus.com/bid/92258

http://www.mozilla.org/security/announce/2016/mfsa2016-73.html