Security Update for firefox-esr
Summary
DLA-1118-1: firefox-esr - security update. Affects firefox-esr versions < 52.4.0esr-2~deb7u1. Fixed in 52.4.0esr-2~deb7u1. How to fix ↓
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Background
firefox-esr is a web browser developed by Mozilla. It is designed to provide a secure and user-friendly browsing experience. However, several security issues have been discovered in the Mozilla Firefox web browser, which also affect the firefox-esr package. These vulnerabilities include multiple memory safety errors, use-after-frees, buffer overflows, and other implementation errors. Exploiting these vulnerabilities could lead to the execution of arbitrary code, denial of service, cross-site scripting, or bypass of the phishing and malware protection feature.
Vulnerability Detail
The vulnerabilities in firefox-esr stem from various memory safety errors, use-after-frees, buffer overflows, and implementation flaws. These issues can be exploited by attackers to execute arbitrary code on the affected system, cause denial of service, perform cross-site scripting attacks, or bypass the phishing and malware protection feature. The impact of these vulnerabilities can range from unauthorized access to sensitive information to complete compromise of the system.
How To Fix
Minimum fixed version
52.4.0esr-2~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
In conclusion, the firefox-esr package is affected by multiple security vulnerabilities that could lead to various forms of exploitation. To mitigate these risks, it is crucial to upgrade to the latest version of the package and regularly apply security updates. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for firefox-esr →
FAQ
firefox-esr is a web browser developed by Mozilla. It is based on the Firefox browser but is designed for organizations that require extended support for their web browsing needs.
Exploiting these vulnerabilities can lead to the execution of arbitrary code, denial of service, cross-site scripting, or bypass of the phishing and malware protection feature. This can result in unauthorized access to sensitive information, system compromise, or disruption of services.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) to the playground, and it will alert you in real-time if your application is affected.
At the moment, there is no specific workaround available for these vulnerabilities. It is recommended to upgrade the firefox-esr package to the latest version as soon as possible.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, on the Debian LTS wiki: https://wiki.debian.org/LTS
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