Use After Free Affecting thunderbird package, versions <0:52.6.0-1.el7_4


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.5% (77th percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4822862
  • published26 Jul 2021
  • disclosed23 Jan 2018

Introduced: 23 Jan 2018

CVE-2018-5096  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:52.6.0-1.el7_4 or higher.
This issue was patched in RHSA-2018:0262.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A use-after-free vulnerability can occur while editing events in form elements on a page, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Thunderbird < 52.6.