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.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29946.json"
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]