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Use After Free Affecting thunderbird package, versions <0:52.4.0-2.el7_4

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.54% (78th percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4780038
  • published26 Jul 2021
  • disclosed28 Sept 2017
Report a new vulnerability Found a mistake?

Introduced: 28 Sep 2017

CVE-2017-7819  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:52.4.0-2.el7_4 or higher.
This issue was patched in RHSA-2017:2885.

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 in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.