Denial of Service (DoS) Affecting mozilla package, versions [,88.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.18% (57th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2377354
  • published26 Jan 2022
  • disclosed24 Jun 2021
  • creditUnknown

Introduced: 24 Jun 2021

CVE-2021-23997  (opens in a new tab)
CWE-681  (opens in a new tab)

How to fix?

Upgrade mozilla to version 88.0 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.

CVSS Scores

version 3.1