CVE ID:	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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-29946 https://bugzilla.mozilla.org/show_bug.cgi?id=1698503 https://bugzilla.mozilla.org/show_bug.cgi?id=1698503 https://www.mozilla.org/security/advisories/mfsa2021-14/ https://www.mozilla.org/security/advisories/mfsa2021-14/ https://www.mozilla.org/security/advisories/mfsa2021-15/ https://www.mozilla.org/security/advisories/mfsa2021-15/ https://www.mozilla.org/security/advisories/mfsa2021-16/ https://www.mozilla.org/security/advisories/mfsa2021-16/