Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2016-5259

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 77.6%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
References
Products affected by CVE-2016-5259


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