Download Firefox Firefox Privacy Notice. Get Mozilla VPN. Firefox for Android Get the customizable mobile browser for Android smartphones. Firefox Focus Simply private mobile browsing. Privacy Promise Learn how Firefox treats your data with respect. Firefox Blog Read about new Firefox features and ways to stay safe online.
Release Notes Get the details on the latest Firefox updates. Facebook Container Help prevent Facebook from collecting your data outside their site. Pocket Save and discover the best stories from across the web. Mozilla VPN Get protection beyond your browser, on all your devices. Product Promise Learn how each Firefox product protects and respects your data. Firefox Relay Sign up for new accounts without handing over your email address. Mozilla Foundation Meet the not-for-profit behind Firefox that stands for a better web.
Get involved Join the fight for a healthy internet. Careers Work for a mission-driven organization that makes people-first products. Mozilla Blog Learn about Mozilla and the issues that matter to us. Close Innovation menu Mozilla Hubs Gather in this interactive, online, multi-dimensional social space.
Firefox Developer Edition Get the Firefox browser built just for developers. Firefox Reality Explore the web with the Firefox browser for virtual reality. Common Voice Donate your voice so the future of the web can hear everyone. Download options and other languages. Firefox Browser support. Latest Firefox features Picture-in-Picture Pop a video out of the browser window so you can stream and multitask.
Warning: Firefox now includes downgrade protection to prevent corruption of user profile data. If you install an older version, you'll be prompted to create a new Firefox profile. Table of Contents 1 Installing a previous version doesn't fix most problems 2 I still want to downgrade — where can I get the previous version?
Note: Other problems can be solved with the Refresh Firefox feature. It restores Firefox to its default state while saving your essential information. Warning: Older Firefox versions pose a significant security risk. Firefox Important : By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: In the Menu bar at the top of the screen, click Firefox and select Preferences.
In the General panel, go to the Firefox Updates section. Microsoft Edge. Google Chrome Opera. Was this article helpful? Add-ons are like apps that you install to enhance and expand the browser.
You can get add-ons that compare prices, check the weather, change Firefox look, listen to music, or even update your Facebook profile. Conclusion: If you can't or don't want to use IE, Mozilla Firefox is one of the best alternative browser choices you can make. It's fast, easy to install, easy to update and enhance and is free. Details of these vulnerabilities are as follows: Internal network hosts probing vulnerability exist when slipstream techniques and malicious webpage are combined.
CVE A memory corruption and out of bounds write vulnerability exist when WebGL framebuffer is not initialized early enough.
CVE Arbitrary code execution vulnerability exist when using font cache. CVE A privilege-escalation vulnerability exist when a Blob url is loaded through some unusual user interaction or by privileged user. CVE An information disclosure vulnerability exist when requestPointerLock is applied to the incorrect tab. CVE Session history manipulation vulnerability exist when infrastructure is not restricted to testing-only configurations.
CVE A security-bypass vulnerability exist when it bypasses port blocking restrictions when used in the Alt-Svc header. Run all software as a non-privileged user one without administrative privileges to diminish the effects of a successful attack. Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
Inform and educate users regarding the threats posed by hypertext links contained in emails or attachments especially from un-trusted sources. Search for:.
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