CVE-2019-9806: High severity firefox vulnerability

Published Mar 19, 2019
·
Updated

A vulnerability exists during authorization prompting for FTP transaction where successive modal prompts are displayed and cannot be immediately dismissed. This allows for a denial of service (DOS) attack.

Affected Software

3 affected componentsFixes available
Mozilla Firefox<66
66
Mozilla Firefox<66.0
debian/firefox
137.0-1

Event History

Mar 19, 2019
CVE Published
12:00 AM
Apr 26, 2019
CVE Published
via MITRE·04:13 PM
Data Sourced
via MITRE·04:13 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:33 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:18 AM
RemedyDescriptionSeverityAffected Software
Mar 27, 2025
Data Sourced
via Debian·04:11 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-9806?

CVE-2019-9806 is a vulnerability that exists during authorization prompting for FTP transaction where successive modal prompts are displayed and cannot be immediately dismissed, allowing for a denial of service (DOS) attack.

2

Which software is affected by CVE-2019-9806?

CVE-2019-9806 affects Firefox versions prior to 66.

3

What is the severity of CVE-2019-9806?

CVE-2019-9806 has a severity rating of high with a CVSS score of 7.5.

4

How can I fix CVE-2019-9806?

To fix CVE-2019-9806, update your Firefox browser to version 66 or higher.

5

Where can I find more information about CVE-2019-9806?

You can find more information about CVE-2019-9806 on the Mozilla Bugzilla and Mozilla Security Advisories websites.

Contact

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