MFSA2016-73 Firefox: Use-after-free in service workers with nested sync events (CVE-2016-5259)
7
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
08/02/2016
07/25/2018
08/03/2016
10/30/2017
Description
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.
Solution(s)
- mozilla-firefox-esr-upgrade-45_3
- mozilla-firefox-upgrade-48_0
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