CVE-2016-5259 PUBLISHED

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.

EPSS 1.15% · 78.4th percentile

Risk Scores

EPSS Score
1.15%
78.4th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSfirefox0, 24.0+build1-0ubuntu1, 25.0+build3-0ubuntu0.13.10.1
Ubuntu:16.04:LTSfirefox0, 41.0.2+build2-0ubuntu1, 42.0+build2-0ubuntu1

Timeline

References

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