Tag

#Firefox

7 stories taggedFirefox.

A streaming platform interface on a monitor with a browser extension icon highlighted in red, data packets flowing digitally across the screen toward an obscure
Threat Intelligence

Malicious Twitch Extension Siphoned Login Tokens From 31,000 Viewers

A browser add-on marketed as a Twitch viewer tool quietly forwarded OAuth tokens to servers linked to a Russian bot-for-hire service.

4 min read
A user at a laptop with Chrome and Firefox browser windows both open on screen, each showing update notifications or completed update confirmations displayed si
Vulnerabilities

Chrome and Firefox Fix 115 Security Flaws in Back-to-Back Updates

Google and Mozilla have each pushed out new browser versions carrying fixes for dozens of vulnerabilities, three of them rated critical in Chrome. Neither company has seen any of the flaws used in real attacks, but the advice is the same: update now.

3 min read
A Firefox browser window displaying the extensions panel with multiple wallet extension icons visible, some appearing nearly identical, with warning flags overl
Threat Intelligence

Fake Firefox Wallet Extensions Drain Crypto From Unwary Users

Researchers at Socket found 40 Firefox add-ons impersonating OKX, Rabby, TronLink and other crypto wallet brands, part of a wider 77-extension operation they call Offside Wallet Theft Factory.

3 min read
Browser windows for both Firefox and Chrome open side-by-side, each displaying security update notifications with patch notes listing dozens of vulnerability fi
Vulnerabilities

Firefox and Chrome Rush Out Patches for Dozens of Security Flaws

Mozilla fixed 58 vulnerabilities in Firefox 154, while Google addressed 15 in Chrome 151, including two critical bugs that could let attackers run malicious code on your device.

3 min read
A GitHub repository page displayed on a monitor, a private key snippet visible in code history with a glowing red circle and X overlay, security warning banners
Identity & Access

Mozilla Accidentally Put a Firefox Signing Key on GitHub. Here's Why You're Probably Fine.

A private key used to authenticate Firefox and Thunderbird downloads was briefly stored in the wrong place. Mozilla has replaced it and found no sign anyone misused it.

3 min read
A Firefox browser window loading a webpage with code execution happening silently in the background, affecting both the browser and Tor network overlay
Vulnerabilities

One Click on a Bad Web Page Was Enough to Break Firefox and Tor

Researchers at Nebula Security say a now-patched Firefox flaw let attackers run code just by loading a page, and it worked against Tor Browser too.

3 min read
Illustration: a modern laptop on a dark desk, screen glowing with an abstract orange and blue browser update notification
Vulnerabilities

Firefox Rushes Out Fix After Attack Code for Two Critical Bugs Appears Online

Mozilla says working exploit code is already public for two serious flaws in its browser. Users should update now.

3 min read
© 2026 Threat Vectr