Use-after-free vulnerability in Mozilla Firefox allows remote code execution

CVE-2016-5259 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

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.

Learn more about our Cis Benchmark Audit For Mozilla Firefox.