CVE-2020-6813 Affecting firefox package, versions <74.0+build3-0ubuntu0.16.04.1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.09% (38th percentile)

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  • Snyk IDSNYK-UBUNTU1604-FIREFOX-559846
  • published11 Mar 2020
  • disclosed25 Mar 2020

Introduced: 11 Mar 2020

CVE-2020-6813  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 firefox to version 74.0+build3-0ubuntu0.16.04.1 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:16.04 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