Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-29946

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 51.8%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
Products affected by CVE-2021-29946


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