Improper Restriction of Rendered UI Layers or Frames Affecting thunderbird package, versions <1:78.5.0-1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.1% (42nd percentile)
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NVD
4.3 medium
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Red Hat
4.3 medium
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SUSE
4.3 medium

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  • Snyk ID SNYK-DEBIAN11-THUNDERBIRD-1041143
  • published 18 Nov 2020
  • disclosed 9 Dec 2020

How to fix?

Upgrade Debian:11 thunderbird to version 1:78.5.0-1 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 Debian. See How to fix? for Debian:11 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.