Information Exposure Affecting mozilla package, versions [,77.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2379119
  • published26 Jan 2022
  • disclosed9 Jul 2020
  • creditUnknown

Introduced: 9 Jul 2020

CVE-2020-12407  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade mozilla to version 77.0 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content. This vulnerability affects Firefox < 77.

CVSS Scores

version 3.1