CVE-2019-11728

firefox: The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that...

CVE-2019-11728 is fixed in 4 products on 1 platform, first by firefox 68.0+build3-0ubuntu0.18.04.1, released July 10, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0112
66th 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.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 68.0+build3-0ubuntu0.18.04.1 firefox 68.0+build3-0ubuntu0.18.04.1 Jul 10, 2019
firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) 68.0+build3-0ubuntu0.18.04.1 firefox-geckodriver 68.0+build3-0ubuntu0.18.04.1 Jul 10, 2019
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 68.0+build3-0ubuntu0.18.04.1 firefox-globalmenu 68.0+build3-0ubuntu0.18.04.1 Jul 10, 2019
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 68.0+build3-0ubuntu0.18.04.1 firefox-mozsymbols 68.0+build3-0ubuntu0.18.04.1 Jul 10, 2019

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