Use After Free Affecting thunderbird package, versions <0:52.1.0-1.el6_9


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
1.01% (85th percentile)

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  • Snyk IDSNYK-CENTOS6-THUNDERBIRD-2142042
  • published26 Jul 2021
  • disclosed19 Apr 2017

Introduced: 19 Apr 2017

CVE-2017-5440  (opens in a new tab)
CWE-416  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Centos:6 thunderbird to version 0:52.1.0-1.el6_9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

A use-after-free vulnerability during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.