CVE-2023-6871

Medium

Description

Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.

SeverityMedium
CVSS4.3
Exploit probability—
ProductMozilla Firefox
PublishedDec 19, 2023
First seenDec 19, 2023

How to fix

Update
  • mozilla firefox121.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 121.0121.0

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Choose the product and enter the version you run to see whether it falls in the affected range.

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