Improper Restriction of Rendered UI Layers or Frames Affecting firefox-esr package, versions <115.4.0esr-1~deb12u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-DEBIAN12-FIREFOXESR-6032015
  • published25 Oct 2023
  • disclosed25 Oct 2023

Introduced: 25 Oct 2023

CVE-2023-5721  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade Debian:12 firefox-esr to version 115.4.0esr-1~deb12u1 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:12 relevant fixed versions and status.

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

CVSS Scores

version 3.1