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Use After Free Affecting firefox package, versions <62.0+build2-0ubuntu0.16.04.3

Severity

 Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.46% (77th percentile)

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  • Snyk IDSNYK-UBUNTU1604-FIREFOX-423221
  • published25 Sept 2018
  • disclosed18 Oct 2018
Report a new vulnerability Found a mistake?

Introduced: 25 Sep 2018

CVE-2018-12378  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 firefox to version 62.0+build2-0ubuntu0.16.04.3 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:16.04 relevant fixed versions and status.

A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

References