cbcvebase.
CVE-2019-11728
published 2019-07-23

CVE-2019-11728: 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…

PriorityP420medium4.7CVSS 3.1
AVNACLPRNUIRSCCLINAN
EPSS
1.12%
62.1th percentile
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.

Affected

9 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 68.0-1 (sid)firefox 68.0-1 (sid)
mozillafirefox< 68.068.0
mozillafirefox>= 0 < 68.0+build3-0ubuntu0.16.04.168.0+build3-0ubuntu0.16.04.1
mozillafirefox>= 0 < 68.0.1+build1-0ubuntu0.16.04.168.0.1+build1-0ubuntu0.16.04.1
mozillafirefox>= 0 < 68.0+build3-0ubuntu0.18.04.168.0+build3-0ubuntu0.18.04.1
mozillafirefox>= 0 < 68.0.1+build1-0ubuntu0.18.04.168.0.1+build1-0ubuntu0.18.04.1
mozillafirefox>= unspecified < 6868
opensuseleap
opensuseleap

CVSS provenance

nvdv3.14.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_debian4.7MEDIUM
vendor_redhat4.7MEDIUM
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