Friday, October 16, 2026

Firefox

16 Malicious Firefox Extensions Impersonate Crypto Wallets to Steal Seed Phrases and Private Keys

16 malicious Firefox extensions that impersonate cryptocurrency wallets to intercept recovery phrases and private keys during wallet imports. Disguised as wallet portals, desktop utilities, and browser tools, the packages...

Fake Firefox Extension Hijacks Google Accounts Without Stealing Passwords First

A malicious Firefox extension masquerading as a PDF identity-verification utility has been found targeting Google accounts through session-cookie theft and automated account-takeover activity. The...

Firefox for iPhone Adds Built-In Ad Blocker to Block Third-Party Ads and Trackers

Mozilla has introduced a built-in ad blocker for Firefox on iOS, providing iPhone users with a native option to block many third-party advertisements and...

13 Malicious Rabby Firefox Extensions Steal Wallet Keyrings Before They Are Encrypted

A broad Firefox add-on campaign that includes 13 malicious Rabby Wallet impersonators engineered to exfiltrate wallet keyring data before the application encrypts it locally....

Hackers Can Compromise Tor Browser Users by Exploiting Firefox JIT Flaw

Tor Browser users on unpatched versions may be at risk of compromise simply by visiting a malicious webpage, following the disclosure of CVE-2026-10702, a...

423 Firefox Flaws Fixed as Browser Gains Support for Claude, Mythos, and More

Mozilla has successfully identified and patched 423 latent security vulnerabilities in Firefox using advanced artificial intelligence models, notably Claude Mythos Preview. Two weeks after...

Claude Mythos Exposes 271 Zero-Day Security Flaws in Firefox

Mozilla has released Firefox 150, addressing a staggering 271 zero-day vulnerabilities. The security team identified these latent flaws using Anthropic's early-stage Claude Mythos Preview...

Mozilla Firefox 150 Released With Fixes for Multiple Code Execution Vulnerabilities

Mozilla has released Firefox 150 to patch 41 security vulnerabilities, including multiple high-severity flaws that could lead to remote code execution. Users should immediately...

Mozilla Releases Firefox 149.0 With Free Built‑In VPN Offering 50 GB Monthly Data

Mozilla released Firefox 149.0 to the Release channel, bringing a significant set of privacy and security enhancements to the browser. The standout feature of...

Firefox 148 Unveils New Sanitizer API to Mitigate XSS Attacks in Web Applications

Firefox has launched a major update to help protect web applications from Cross-Site Scripting (XSS) attacks. With the release of Firefox 148, Mozilla introduces...

Mozilla Introduces Global Kill Switch for Firefox AI Capabilities

Mozilla has rolled out comprehensive AI controls in Firefox 148, launching February 24, 2026, allowing users to globally disable all generative AI features across...