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


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1% (59th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378726
  • published26 Jan 2022
  • disclosed17 Aug 2021
  • creditUnknown

Introduced: 17 Aug 2021

CVE-2021-29981  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade mozilla to version 91.0 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

CVSS Base Scores

version 3.1