vulnerability

MFSA2016-73 Firefox: Use-after-free in service workers with nested sync events (CVE-2016-5259)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 2, 2016
Added
Aug 3, 2016
Modified
Nov 27, 2024

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_3mozilla-firefox-upgrade-48_0
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