Race Condition Affecting mozilla package, versions [,68.8.0)(68.8.0,76.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.4% (70th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378810
  • published26 Jan 2022
  • disclosed26 May 2020
  • creditUnknown

Introduced: 26 May 2020

CVE-2020-12387  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade mozilla to version 68.8.0, 76.0 or higher.

Overview

Affected versions of this package are vulnerable to Race Condition. A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

CVSS Base Scores

version 3.1