Information Exposure Affecting mozilla package, versions [,78.7)(78.7,85.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378113
  • published26 Jan 2022
  • disclosed26 Feb 2021
  • creditUnknown

Introduced: 26 Feb 2021

CVE-2021-23953  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade mozilla to version 78.7, 85.0 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

CVSS Scores

version 3.1