Security Update for firefox-esr
Summary
DLA-585-1: firefox-esr - security update. Affects firefox-esr versions < 45.3.0esr-1~deb7u1. Fixed in 45.3.0esr-1~deb7u1. How to fix ↓
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Background
firefox-esr is a web browser developed by Mozilla. It is an extended support release (ESR) version of Firefox, designed for organizations that require extended support for mass deployments. Firefox-esr is vulnerable to multiple security issues, including memory safety errors, buffer overflows, and implementation errors. These vulnerabilities can lead to the execution of arbitrary code, cross-site scripting, information disclosure, and bypass of the same-origin policy.
Vulnerability Detail
The vulnerabilities found in firefox-esr can be exploited by attackers to execute arbitrary code, perform cross-site scripting attacks, disclose sensitive information, and bypass the same-origin policy. These vulnerabilities stem from memory safety errors, buffer overflows, and implementation errors. If successfully exploited, an attacker can gain unauthorized access to a user's system and perform malicious actions.
How To Fix
Minimum fixed version
45.3.0esr-1~deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade firefox-esr
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Conclusion
Upgrading to the latest version of firefox-esr (45.3.0esr-1~deb7u1 or later) is crucial to address the multiple security vulnerabilities present in earlier versions. It is recommended to update the firefox-esr packages as soon as possible to ensure the security and integrity of systems.
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FAQ
Firefox-esr is an extended support release version of the Mozilla Firefox web browser. It is designed for organizations that require extended support for mass deployments.
The vulnerabilities in firefox-esr include memory safety errors, buffer overflows, and implementation errors. These vulnerabilities can lead to arbitrary code execution, cross-site scripting, information disclosure, and bypass of the same-origin policy.
The vulnerabilities in firefox-esr can be exploited by attackers to execute arbitrary code, perform cross-site scripting attacks, disclose sensitive information, and bypass the same-origin policy. Successful exploitation can result in unauthorized access to a user's system.
To fix the vulnerabilities, it is recommended to upgrade to version 45.3.0esr-1~deb7u1 or later. This version includes patches and fixes for the identified security issues. Users should update their firefox-esr packages as soon as possible.
More information about Debian LTS security advisories, including how to apply updates and frequently asked questions, can be found at https://wiki.debian.org/LTS.
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