| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | = 45.1.0= 45.1.1= 45.2.0= 45.3.0≤ 47.0.1 |
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.
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