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MFSA2020-33 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.1 (CVE-2020-15653)

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MFSA2020-33 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.1 (CVE-2020-15653)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
07/28/2020
Created
07/30/2020
Added
07/29/2020
Modified
08/17/2020

Description

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Solution(s)

  • mozilla-thunderbird-upgrade-78_1

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