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MFSA2021-14 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.10 (CVE-2021-23999)

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MFSA2021-14 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.10 (CVE-2021-23999)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
04/19/2021
Created
04/20/2021
Added
04/20/2021
Modified
07/05/2021

Description

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Solution(s)

  • mozilla-thunderbird-upgrade-78_10

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