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MFSA2021-14 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.10 (CVE-2021-29946)

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MFSA2021-14 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.10 (CVE-2021-29946)

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
06/28/2021

Description

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Solution(s)

  • mozilla-thunderbird-upgrade-78_10

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