Homepage

Use After Free Affecting firefox package, versions <0:45.3.0-1.el6_8

Severity

 Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
2.39% (90th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS6-FIREFOX-2134902
  • published26 Jul 2021
  • disclosed2 Aug 2016
Report a new vulnerability Found a mistake?

Introduced: 2 Aug 2016

CVE-2016-5259  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:6 firefox to version 0:45.3.0-1.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 CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.