Rapid7 Vulnerability & Exploit Database

MFSA2020-52 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.5 (CVE-2020-26953)

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MFSA2020-52 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.5 (CVE-2020-26953)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
11/17/2020
Created
11/19/2020
Added
11/18/2020
Modified
12/14/2020

Description

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.

Solution(s)

  • mozilla-thunderbird-upgrade-78_5

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