Denial of Service (DoS) Affecting mozilla package, versions [,78.13.0)(78.13.0,91.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
2.45% (90th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378109
  • published26 Jan 2022
  • disclosed17 Aug 2021
  • creditUnknown

Introduced: 17 Aug 2021

CVE-2021-29984  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade mozilla to version 78.13.0, 91.0 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

CVSS Scores

version 3.1