CVE-2019-11728
First published: Tue Jul 09 2019(Updated: )
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.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <68 | 68 |
| <68 | 68 | |
| Mozilla Firefox | <68.0 | |
| openSUSE Leap | =15.0 | |
| openSUSE Leap | =15.1 | |
| <68 | 68 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1552993
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11727
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-28/
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
- https://security.gentoo.org/glsa/201908-12
- https://www.mozilla.org/security/advisories/mfsa2019-21/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2019-11728?
CVE-2019-11728 is a vulnerability that allows a malicious site to scan all TCP ports of any host accessible to a user when web content is loaded.
Which software versions are affected by CVE-2019-11728?
Firefox versions prior to 68 are affected by CVE-2019-11728.
How does CVE-2019-11728 affect Thunderbird?
Thunderbird versions prior to 68 are affected by CVE-2019-11728.
What is the severity of CVE-2019-11728?
The severity of CVE-2019-11728 is medium with a CVSS score of 4.7.
How to fix CVE-2019-11728?
To fix CVE-2019-11728, it is recommended to update Firefox or Thunderbird to version 68 or later.
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