Improper Input Validation Affecting mozilla package, versions [,78.6.0)(78.6.0,84.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.43% (75th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2377670
  • published26 Jan 2022
  • disclosed7 Jan 2021
  • creditUnknown

Introduced: 7 Jan 2021

CVE-2020-26973  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade mozilla to version 78.6.0, 84.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

CVSS Scores

version 3.1