Vulnerability in Mozilla Firefox

CVE-2018-5179

A service worker can send the activate event on itself periodically which allows it to run perpetually, allowing it to monitor activity by users. Affects all versions prior to Firefox 60.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.017 (75.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% 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-2018-5179: held from 0.015 to 0.017.

EPSS over last 30 days · oldest: 0.015 · newest: 0.017 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-5179?
CVE-2018-5179 is a high-severity vulnerability in Mozilla Firefox, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2019-04-26.
How severe is CVE-2018-5179?
High severity. CVSS v3 base score is 7.5 out of 10.