CVE-2016-2811

8.8 highEPSS 2.9%

Use-after-free vulnerability in the ServiceWorkerInfo class in the Service Worker subsystem in Mozilla Firefox before 46.0 allows remote attackers to execute arbitrary code via vectors related to the BeginReading method.

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 2.9% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
Published: 2016-04-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox

References

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
http://www.mozilla.org/security/announce/2016/mfsa2016-42.html
http://www.securitytracker.com/id/1035692
http://www.ubuntu.com/usn/USN-2936-1

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