CVE-2020-6813 Affecting firefox package, versions <74.0+build3-0ubuntu1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.09% (38th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UBUNTU2104-FIREFOX-1258039
  • published11 Mar 2020
  • disclosed25 Mar 2020

Introduced: 11 Mar 2020

CVE-2020-6813  (opens in a new tab)

How to fix?

Upgrade Ubuntu:21.04 firefox to version 74.0+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:21.04 relevant fixed versions and status.

When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74.

CVSS Scores

version 3.1