Tor Browser and Firefox users should update to fix actively exploited vulnerability


Mozilla has announced a security fix for its Firefox browser which also impacts the closely related Tor Browser. The new version fixes one critical security vulnerability which is reportedly under active exploitation.

To address the flaw, both Mozilla and Tor recommend that users update their browsers to the most current versions available. Firefox users that have automatic updates enabled should have the new version available as soon or shortly after they open the browser. Once you’re updated, your version number will be 131.0.3 or higher.

Read more…
Source: Malwarebytes Labs


Sign up for our Newsletter


Related:

  • New SLUB Backdoor Uses GitHub, Communicates via Slack

    March 11, 2019

    In mid-February, Kaspersky Lab received a request for incident response from one of its clients. The individual who initially reported the issue to our client refused to disclose the origin of the indicator that they shared. What we do know is that it was a screenshot from one of the client’s internal computers taken on ...

  • Operational Technology Widens Supply Chain Attack Surfaces

    March 8, 2019

    Today’s supply chain has evolved, with operational technology (OT) used in factories increasingly becoming connected and converging with IT systems — introducing new attack vectors. This new reality is vital for companies to understand in the context of risk, according to Dawn Cappelli, vice president of global security and CISO at Rockwell Automation and Edna Conway, ...

  • New SLUB Backdoor Uses GitHub, Communicates via Slack

    March 7, 2019

    We recently came across a previously unknown malware that piqued our interest in multiple ways. For starters, we discovered it being spread via watering hole attacks, a technique that involves an attacker compromising a website before adding code to it so visitors are redirected to the infecting code. In this case, each visitor is redirected only ...

  • Data-Wiping Cyberattacks Plague Financial Firms

    March 6, 2019

    Over a quarter of surveyed financial institutions reported that they were targeted by destructive cyberattacks over the past year, bent on completely destroying data. That’s according to a new Carbon Black report unveiled at RSA this year. The report, “Modern Bank Heists: The Bank Robbery Shifts to Cyberspace,” outlines the top attacks that financial firms are facing ...

  • IoT Devices Under Constant Attack

    March 4, 2019

    ‘Secure your IoT devices’ is the message from security specialist Cyxtera Technologies, after research found that IoT devices are now under constant attack. The research was conducted jointly by Cyxtera threat researcher Martin Ochoa and researchers from the Singapore University of Technology and Design. They detected more than 150 million connection attempts to 4,642 distinct IP addresses ...

  • How the Dark Web Data Bazaar Fuels Enterprise Attacks

    March 3, 2019

    It seems every aspect of our lives is available to be found somewhere on the internet. And the information available isn’t simply embarrassing browsing histories but ranges from our medical histories to the logon credentials we use to access many of our online services. This is certainly a privacy concern, but it’s also increasingly an enterprise ...