Improper Restriction of Rendered UI Layers or Frames Affecting firefox package, versions <94.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.62% (79th percentile)

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  • Snyk IDSNYK-ALPINE319-FIREFOX-6108438
  • published8 Dec 2023
  • disclosed8 Dec 2021

Introduced: 8 Dec 2021

CVE-2021-38506  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade Alpine:3.19 firefox to version 94.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Alpine. See How to fix? for Alpine:3.19 relevant fixed versions and status.

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVSS Scores

version 3.1