Improper Input Validation Affecting firefox package, versions <66.0+build3-0ubuntu1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.79% (52nd percentile)

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  • Snyk IDSNYK-UBUNTU2004-FIREFOX-584033
  • published20 Mar 2019
  • disclosed26 Apr 2019

Introduced: 20 Mar 2019

CVE-2019-9807  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 firefox to version 66.0+build3-0ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

When arbitrary text is sent over an FTP connection and a page reload is initiated, it is possible to create a modal alert message with this text as the content. This could potentially be used for social engineering attacks. This vulnerability affects Firefox < 66.