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MFSA2021-14 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.10 (CVE-2021-23995)

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MFSA2021-14 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.10 (CVE-2021-23995)

Severity
5
CVSS
(AV:N/AC:H/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

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Solution(s)

  • mozilla-thunderbird-upgrade-78_10

References

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