CVE-2023-6872: Medium severity firefox vulnerability

Published Dec 19, 2023
·
Updated

Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab.

Affected Software

3 affected componentsFixes available
Mozilla Firefox<121
121
Mozilla Firefox<121.0
debian/firefox
137.0.2-1

Event History

Dec 19, 2023
CVE Published
via Mozilla·12:00 AM
CVE Published
via MITRE·01:38 PM
Data Sourced
via MITRE·01:38 PM
DescriptionWeakness
Jan 12, 2024
Data Sourced
via Launchpad·12:29 AM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·04:19 AM
RemedyDescriptionSeverityAffected Software
Mar 27, 2025
Data Sourced
via Debian·04:31 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2023-6872?

CVE-2023-6872 has been rated as a highly critical vulnerability due to the potential exposure of user browsing habits.

2

How do I fix CVE-2023-6872?

To mitigate CVE-2023-6872, update Mozilla Firefox to version 121.0 or higher, or the specified patched version from your distribution.

3

Which versions of Firefox are affected by CVE-2023-6872?

CVE-2023-6872 affects Mozilla Firefox versions up to and including 121.0.

4

What are the implications of CVE-2023-6872 on user privacy?

CVE-2023-6872 can lead to the unintentional disclosure of private browsing information, specifically the titles of tabs, which could compromise user privacy.

5

Is CVE-2023-6872 specific to any operating system?

CVE-2023-6872 primarily affects systems running GNOME that utilize Mozilla Firefox.

Contact

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CVE-2023-6872 - Medium severity firefox vulnerability - SecAlerts