Improper Restriction of Rendered UI Layers or Frames Affecting firefox package, versions <95.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.69% (81st percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-2311966
  • published8 Dec 2021
  • disclosed8 Dec 2021

Introduced: 8 Dec 2021

CVE-2021-43546  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox to version 95.0-1 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 Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVSS Scores

version 3.1