HTTP Alternative Services Header (Alt-Svc) Vulnerability in Firefox < 68

HTTP Alternative Services Header (Alt-Svc) Vulnerability in Firefox < 68

CVE-2019-11728 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox < 68.

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