User Interface (UI) Misrepresentation of Critical Information Affecting firefox package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.69% (48th percentile)

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  • Snyk IDSNYK-RHEL10-FIREFOX-22275363
  • published7 Nov 2026
  • disclosed5 Oct 2020

Introduced: 5 Oct 2020

CVE-2020-15665  (opens in a new tab)
CWE-451  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 firefox.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page. This could have resulted in an incorrect URL being shown when used in conjunction with other unexpected browser behaviors. This vulnerability affects Firefox < 80.

CVSS Base Scores

version 3.1