ALSA-2023:4076 - Important: Firefox Security Update

firefox Updated 02 Oct 2025

Summary

13/07/2023
N/A
Yes i
Unrated
Not published

ALSA-2023:4076: Important: firefox security update. Affects firefox versions < 102.13.0-2.el8_8.alma. Fixed in 102.13.0-2.el8_8.alma. How to fix ↓

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Background

Mozilla Firefox is an open-source web browser known for its compliance with web standards, high performance, and cross-platform compatibility. It is widely used by individuals and organizations for browsing the internet. However, a security vulnerability has been identified in Firefox that requires immediate attention.

Vulnerability Detail

The vulnerability (CVE-2023-37201) in Firefox is related to a use-after-free issue in WebRTC certificate generation. This flaw could be exploited by an attacker to execute arbitrary code or cause a denial of service. Another vulnerability (CVE-2023-37202) involves a potential use-after-free from compartment mismatch in SpiderMonkey, which could also lead to arbitrary code execution or a denial of service. Additionally, memory safety bugs have been fixed in Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13 (CVE-2023-37211). These bugs could potentially be exploited to compromise user data or disrupt the browser's functionality. Two other vulnerabilities, CVE-2023-37207 and CVE-2023-37208, have also been addressed in this update, which could result in fullscreen notification obscuring and lack of warning when opening Diagcab files, respectively.

How To Fix

Minimum fixed version

102.13.0-2.el8_8.alma

This is the first release that contains the fix.

sudo dnf update firefox

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Conclusion

It is crucial to update Firefox to version 102.13.0 ESR to address the identified security vulnerabilities. Failure to do so may expose users to potential risks, including arbitrary code execution and data compromise. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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FAQ

The impact of these vulnerabilities can range from arbitrary code execution to denial of service attacks. Exploiting these flaws could potentially lead to unauthorized access to user data or disruption of the browser's functionality.

The vulnerabilities have been addressed in Firefox version 102.13.0 ESR. It is recommended to update to this version to mitigate the risks associated with the vulnerabilities.

No specific workaround has been mentioned for these vulnerabilities. It is advised to update to the latest version of Firefox to ensure the necessary security fixes are applied.

You can use the Vulert Playground (https://vulert.com/scanner) to check if your version of Firefox is affected by this vulnerability. Simply upload your package-lock.json file and the tool will provide real-time alerts for open-source vulnerabilities.

You can refer to the CVE pages listed in the References section of the vulnerability details for more information about each specific vulnerability.

Related vulnerabilities

Recent vulnerabilities recorded for firefox.

How To Fix

Minimum fixed version

102.13.0-2.el8_8.alma

This is the first release that contains the fix.

sudo dnf update firefox

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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