Skip to content
Fencer Intel
high 7.5

CVE-2018-5179 json

A service worker can send the activate event on itself periodically which allows it to run perpetually, allowing it to monitor activity by…

published 7y ago modified 4mo ago also EUVD-2018-16964

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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.

Patch / fix

  • mozilla firefox 60.0
  • chromium-browser Ubuntu 16.04 LTS 70.0.3538.67-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 70.0.3538.67-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-5179

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium-browser RHEL 6 EXTRAS 70.0.3538.67-1.el6_10

red hat advisories RHSA-2018:3004

  • MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 68.2.0-109.95.2

suse advisories SUSE-SU-2019:2872-1

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium Package Hub 12 SP2 70.0.3538.102-74.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1openSUSE-SU-2018:3835-1

  • chromium Arch Linux 70.0.3538.67-1

arch linux advisories AVG-781

Is CVE-2018-5179 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-5179 updated cvss 4.3

chromium-browser: Lack of limits on update() in ServiceWorker

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 70.0.3538.67-1.el6_10 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 70.0.3538.67-1.el6_10 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 70.0.3538.67-1.el6_10
    fixed: vendor fix RHSA-2018:3004

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a Firefox

Classification

Weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.