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Use After Free Affecting firefox package, versions <0:60.5.0-2.el6

Severity

 Recommended
0.0
critical
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
9.92% (95th percentile)

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  • Snyk IDSNYK-CENTOS6-FIREFOX-2154574
  • published26 Jul 2021
  • disclosed29 Jan 2019
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Introduced: 29 Jan 2019

CVE-2018-18500  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:6 firefox to version 0:60.5.0-2.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.

A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.