Security Update for firefox-esr

firefox-esr Updated 02 Oct 2025

Summary

15/03/2018
N/A
Yes i
Unrated
Not published

DLA-1308-1: firefox-esr - security update. Affects firefox-esr versions < 52.7.1esr-1~deb7u1. Fixed in 52.7.1esr-1~deb7u1. How to fix ↓

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Background

firefox-esr is a web browser developed by Mozilla. It is a long-term support (LTS) version of Firefox, designed for stability and security. The package is widely used for browsing the internet and accessing web-based applications.

Vulnerability Detail

Multiple security issues have been discovered in firefox-esr. These vulnerabilities include memory safety errors and implementation flaws that could potentially allow an attacker to execute arbitrary code or cause denial of service. The impact of these vulnerabilities can range from unauthorized access to sensitive information to complete system compromise.

How To Fix

Minimum fixed version

52.7.1esr-1~deb7u1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade firefox-esr

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Workaround

There are no known workarounds for these vulnerabilities. It is crucial to apply the security update as soon as possible to mitigate the risk of exploitation.

Conclusion

Multiple security vulnerabilities have been identified in the firefox-esr web browser. To mitigate the risk of exploitation, it is crucial to update the firefox-esr package to version 52.7.1esr-1~deb7u1 or later. For further assistance or support in vulnerability remediation, please contact DevNack.com.

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FAQ

Firefox-esr is a long-term support version of the Mozilla Firefox web browser, providing stability and security updates for extended periods.

These vulnerabilities could allow an attacker to execute arbitrary code on the affected system, leading to unauthorized access, data theft, or system compromise.

To fix these vulnerabilities, you need to update the firefox-esr package to version 52.7.1esr-1~deb7u1 or later. This can be done through the package manager on your operating system.

No known workarounds are available for these vulnerabilities. It is essential to apply the security update to protect your system.

You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, on the Debian LTS wiki.

Related vulnerabilities

Recent vulnerabilities recorded for firefox-esr.

How To Fix

Minimum fixed version

52.7.1esr-1~deb7u1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade firefox-esr

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