Security Update for firefox-esr
Summary
DLA-730-1: firefox-esr - security update. Affects firefox-esr versions < 45.5.1esr-1~deb7u1. Fixed in 45.5.1esr-1~deb7u1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
firefox-esr is a web browser developed by Mozilla. It is designed to provide a secure and user-friendly browsing experience. However, multiple security issues have been discovered in firefox-esr, including memory safety errors, buffer overflows, and implementation errors. These vulnerabilities may allow an attacker to execute arbitrary code or bypass the same-origin policy. Additionally, a man-in-the-middle attack in the addon update mechanism and a use-after-free vulnerability in the SVG Animation have been fixed.
Vulnerability Detail
The vulnerability in firefox-esr arises from multiple memory safety errors, buffer overflows, and implementation errors. These issues can be exploited by an attacker to execute arbitrary code or bypass the same-origin policy. Furthermore, a man-in-the-middle attack in the addon update mechanism and a use-after-free vulnerability in the SVG Animation have been addressed. The use-after-free vulnerability could lead to a denial of service or arbitrary code execution if a user is tricked into visiting a malicious website.
How To Fix
Minimum fixed version
45.5.1esr-1~deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade firefox-esrTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
Multiple security vulnerabilities have been discovered in firefox-esr, including memory safety errors, buffer overflows, and implementation errors. These vulnerabilities can be exploited to execute arbitrary code or bypass the same-origin policy. A man-in-the-middle attack in the addon update mechanism and a use-after-free vulnerability in the SVG Animation have also been fixed. It is crucial to upgrade your firefox-esr packages to the latest version to ensure the security of your system. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for firefox-esr →
FAQ
Firefox-esr is a web browser developed by Mozilla. It is designed to provide a secure and user-friendly browsing experience.
These vulnerabilities may allow an attacker to execute arbitrary code or bypass the same-origin policy. Additionally, the use-after-free vulnerability could lead to a denial of service or arbitrary code execution.
To fix the vulnerability, it is recommended to upgrade your firefox-esr packages to version 45.5.1esr-1~deb7u1 or later. Follow the instructions provided by Debian LTS to perform the upgrade.
No specific workaround has been mentioned for these vulnerabilities. It is recommended to upgrade to the latest version of firefox-esr to ensure the security of your system.
You can find further 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.
