Use After Free Affecting mozilla package, versions [,60.7)(60.7,67.0)


Severity

Recommended
0.0
critical
0
10

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

Threat Intelligence

EPSS
0.41% (75th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2377673
  • published26 Jan 2022
  • disclosed23 Jul 2019
  • creditUnknown

Introduced: 23 Jul 2019

CVE-2019-11691  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade mozilla to version 60.7, 67.0 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

CVSS Scores

version 3.1