Mozilla
Mozilla announces switch to disable all Firefox AI features
In response to user feedback on AI integration, Mozilla announced today that the next Firefox release will let users disable AI features entirely or manage them individually. The new “Block AI enhancements” toggle will be available in Firefox 148 on February 24 and will help block current and future generative AI features in the desktop […]
Mozilla Firefox gets new anti-fingerprinting defenses
Mozilla announced a major privacy upgrade in Firefox 145 that reduces even more the number of users vulnerable to digital fingerprinting. The new protections will initially be available only in Private Browsing Mode and Enhanced Tracking Protection (ETP) Strict mode. After testing and optimization, they will be enabled by default in the Firefox web browser. […]
Mozilla: New Firefox extensions must disclose data collection practices
Starting next month, Mozilla will require Firefox extension developers to disclose whether their add-ons collect or share user data with third parties. The devs will be required to disclose any new extension’s data practices in the manifest.json file using a dedicated browser_specific_settings.gecko.data_collection_permissions key beginning November 3, 2025. Mozilla will also require all extension developers to […]
Mozilla now lets Firefox add-on devs roll back bad updates
Mozilla has announced a new feature that enables Firefox extension developers to roll back to previously approved versions, allowing them to quickly address critical bugs and issues. Once the latest extension version is reverted, users will no longer be able to install it. If automatic updates are enabled, the web browser will also automatically revert […]
Mozilla warns Germany could soon declare ad blockers illegal
A recent ruling from Germany’s Federal Supreme Court (BGH) has revived a legal battle over whether browser-based ad blockers infringe copyright, raising fears about a potential ban of the tools in the country. The case stems from online media company Axel Springer’s lawsuit against Eyeo – the maker of the popular Adblock Plus browser extension. Axel Springer […]
Mozilla warns of phishing attacks targeting add-on developers
Mozilla has warned browser extension developers of an active phishing campaign targeting accounts on its official AMO (addons.mozilla.org) repository. Mozilla’s add-on platform hosts over 60,000 browser extensions and more than 500,000 themes used by tens of millions of users worldwide. According to Mozilla’s advisory, these phishing emails are impersonating the AMO team and claim that the targeted developer accounts […]
Mozilla launches new system to detect Firefox crypto drainer add-ons
Mozilla has developed a new security feature for its add-on portal that helps block Firefox malicious extensions that drain cryptocurrency wallets. According to a recent blog post, Mozilla’s new security system creates risk profiles for each submitted wallet extension and triggers automated risk alerts if a pre-defined threshold is exceeded. These alerts will prompt human […]
Mozilla releases Firefox 139.0.1 update to fix artifacts on Nvidia GPUs
Mozilla has rolled out an emergency Firefox 139.0.1 update after the Tuesday release caused graphical artifacts on PCs with NVIDIA GPUs. Firefox 139 shipped on May 27 with features like Full-Page Translations, but it also caused graphical artifacts when browsing the web in Firefox. In a Reddit thread, several Firefox users complained that videos would flicker or flash. […]
Mozilla fixes Firefox zero-days exploited at hacking contest
Mozilla released emergency security updates to address two Firefox zero-day vulnerabilities demonstrated in the recent Pwn2Own Berlin 2025 hacking competition. The fixes, which include the Firefox on Desktop and Android and two Extended Support Releases (ESR), came mere hours after the conclusion of Pwn2Own, on Saturday, where the second vulnerability was demonstrated. The first flaw, tracked under CVE-2025-4918, […]
Mozilla warns Windows users of critical Firefox sandbox escape flaw
Mozilla has released Firefox 136.0.4 to patch a critical security vulnerability that can let attackers escape the web browser’s sandbox on Windows systems. Tracked as CVE-2025-2857, this flaw is described as an “incorrect handle could lead to sandbox escapes” and was reported by Mozilla developer Andrew McCreight. The vulnerability impacts the latest Firefox standard and extended […]