Vulnerability in Mozilla Firefox

CVE-2016-2811

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.029 (86.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-2811: held from 0.029 to 0.029.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

References

Frequently asked questions

What is CVE-2016-2811?
CVE-2016-2811 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 8.8/10. Published 2016-04-30.
How severe is CVE-2016-2811?
High severity. CVSS v3 base score is 8.8 out of 10.