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Out-of-bounds Write Affecting firefox package, versions <0:60.2.0-1.el6

Severity

 Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-CENTOS6-FIREFOX-2153445
  • published26 Jul 2021
  • disclosed5 Sept 2018
Report a new vulnerability Found a mistake?

Introduced: 5 Sep 2018

CVE-2018-12379  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:6 firefox to version 0:60.2.0-1.el6 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 Centos. See How to fix? for Centos:6 relevant fixed versions and status.

When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running the Mozilla Updater manually on the local system with the malicious MAR file in order to occur. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.