Improper Restriction of Rendered UI Layers or Frames Affecting firefox-esr package, versions <91.9.0esr-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.12% (47th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOXESR-2807561
  • published4 May 2022
  • disclosed22 Dec 2022

Introduced: 4 May 2022

CVE-2022-29911  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox-esr to version 91.9.0esr-1 or higher.

NVD Description

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

An improper implementation of the new iframe sandbox keyword <code>allow-top-navigation-by-user-activation</code> could lead to script execution without <code>allow-scripts</code> being present. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

CVSS Scores

version 3.1