Out-of-bounds Read Affecting mozilla package, versions [,78.11)(78.11,89.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.09% (40th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2379398
  • published26 Jan 2022
  • disclosed24 Jun 2021
  • creditUnknown

Introduced: 24 Jun 2021

CVE-2021-29964  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade mozilla to version 78.11, 89.0 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read. A locally-installed hostile program could send WM_COPYDATA messages that Firefox would process incorrectly, leading to an out-of-bounds read. This bug only affects Firefox on Windows. Other operating systems are unaffected.. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

CVSS Scores

version 3.1