CVE-2016-2821 Affecting firefox package, versions <0:45.2.0-1.el6_8


Severity

Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
2.4% (90th percentile)

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  • Snyk IDSNYK-CENTOS6-FIREFOX-2133748
  • published26 Jul 2021
  • disclosed8 Jun 2016

Introduced: 8 Jun 2016

CVE-2016-2821  (opens in a new tab)

How to fix?

Upgrade Centos:6 firefox to version 0:45.2.0-1.el6_8 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.

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

CVSS Scores

version 3.1