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CVE-2021-29946

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.


Affected Software


CPE Name Name Version
mozilla:thunderbird mozilla thunderbird 78.10
mozilla:firefox mozilla firefox 88.0
mozilla:firefox_esr mozilla firefox esr 78.10

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