CVE-2018-12392 Affecting firefox package, versions <63.0+build1-0ubuntu1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
3.05% (91st percentile)

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  • Snyk IDSNYK-UBUNTU2104-FIREFOX-1270265
  • published28 Oct 2018
  • disclosed28 Feb 2019

Introduced: 28 Oct 2018

CVE-2018-12392  (opens in a new tab)

How to fix?

Upgrade Ubuntu:21.04 firefox to version 63.0+build1-0ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:21.04 relevant fixed versions and status.

When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.