Information Exposure Affecting Firefox package, versions [,102)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.16% (54th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-3180537
  • published23 Dec 2022
  • disclosed23 Dec 2022
  • creditjannis

Introduced: 23 Dec 2022

CVE-2022-34477  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Firefox to version 102 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure such that for a same-site cross-origin resource, the MediaError message can leak information enabling XS-Leaks attacks.

CVSS Scores

version 3.1