CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.8. It affects Firefox.
CVE
CVE-2021-29946
Severity
HIGH
CVSS
8.8
EPSS
1.17%
Firefox
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)