Use After Free Affecting mozilla package, versions [,52.9)[52.9.1,53.0][53.0,60.0)(60.0,60.1.0)(60.1.0,61.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.81% (82nd percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378642
  • published26 Jan 2022
  • disclosed18 Oct 2018
  • creditUnknown

Introduced: 18 Oct 2018

CVE-2018-12363  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade mozilla to version 52.9, 60.0, 60.1.0, 61.0 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

CVSS Scores

version 3.1