EPSS
Percentile
68.8%
firefox is vulnerable to port blocking bypass. 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.
bugzilla.mozilla.org/show_bug.cgi?id=1698503
secdb.alpinelinux.org/v3.13/community.yaml
www.mozilla.org/security/advisories/mfsa2021-14/
www.mozilla.org/security/advisories/mfsa2021-15/
www.mozilla.org/security/advisories/mfsa2021-16/