User Interface (UI) Misrepresentation of Critical Information Affecting thunderbird package, versions <0:78.5.0-1.el7_9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (48th 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 IDSNYK-RHEL7-THUNDERBIRD-8013770
  • published17 Sept 2024
  • disclosed17 Nov 2020

Introduced: 17 Nov 2020

CVE-2020-26953  (opens in a new tab)
CWE-451  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:78.5.0-1.el7_9 or higher.
This issue was patched in RHSA-2020:5235.

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.

It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

CVSS Scores

version 3.1