CVE-2019-11699: Medium severity Mozilla Firefox vulnerability

Published May 21, 2019
·
Updated

A malicious page can briefly cause the wrong name to be highlighted as the domain name in the addressbar during page navigations. This could result in user confusion of which site is currently loaded for spoofing attacks.

Affected Software

3 affected componentsFixes available
Mozilla Firefox<67
67
Mozilla Firefox<67.0
debian/firefox
151.0.4-1

Event History

May 21, 2019
CVE Published
12:00 AM
Jul 23, 2019
CVE Published
via MITRE·01:21 PM
Data Sourced
via MITRE·01:21 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:14 PM
Description
Feb 19, 2026
Data Sourced
via Ubuntu·06:02 PM
RemedyDescriptionSeverityAffected Software
Jun 11, 2026
Data Sourced
via Debian·03:56 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-11699?

CVE-2019-11699 is a vulnerability that allows a malicious page to briefly cause the wrong name to be highlighted as the domain name in the address bar during page navigations, potentially leading to user confusion and spoofing attacks.

2

Which software is affected by CVE-2019-11699?

Mozilla Firefox versions prior to 67 are affected by CVE-2019-11699.

3

How severe is CVE-2019-11699?

CVE-2019-11699 has a severity score of 6.5, categorizing it as a medium-severity vulnerability.

4

How can I fix CVE-2019-11699 in Mozilla Firefox?

To fix CVE-2019-11699, update your Mozilla Firefox browser to version 67 or later.

5

Where can I find more information about CVE-2019-11699?

You can find more information about CVE-2019-11699 in the following references: [Mozilla Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1528939), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2019-13/)

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