CVE-2018-5179

Name: CVE-2018-5179
Creator: NVD / NIST
Published: 2019-04-26T14:29:00.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.49%

Last modified Jun 17, 2026

CVE-2018-5179 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.49%

70.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-772

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 60.0

References

https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/Vendor Advisory

Timeline

Published: Apr 26, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2018-5179?

Severity scoring for CVE-2018-5179 is pending analysis. The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5179?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-5179?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST