Out-of-Bounds Affecting firefox package, versions <63.0+build2-0ubuntu0.16.04.2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.88% (84th percentile)

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  • Snyk IDSNYK-UBUNTU1604-FIREFOX-422553
  • published28 Oct 2018
  • disclosed28 Feb 2019

Introduced: 28 Oct 2018

CVE-2018-12390  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 firefox to version 63.0+build2-0ubuntu0.16.04.2 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.

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.