Improper Input Validation Affecting firefox package, versions <76.0+build2-0ubuntu1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.11% (45th percentile)

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  • Snyk IDSNYK-UBUNTU2104-FIREFOX-1261766
  • published5 May 2020
  • disclosed26 May 2020

Introduced: 5 May 2020

CVE-2020-12391  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:21.04 firefox to version 76.0+build2-0ubuntu1 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.

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.

CVSS Scores

version 3.1