CVE-2024-2615: Update Firefox Now! Zero-Click Attacks Possible

CVE-2024-2615

Mozilla has released urgent security updates for both its Firefox browser (Firefox 124, Firefox ESR 115.9) and Thunderbird email client (Thunderbird 115.9), addressing 14 vulnerabilities that could leave users open to severe attacks. These flaws include a critical remote code execution vulnerability, as well as several high-risk bugs that could let attackers escape security sandboxes, trigger system crashes, steal data, or manipulate settings.

CVE-2024-2615

What’s at Risk?

The most dangerous bug (CVE-2024-2615) is classified as ‘critical‘ and allows attackers to potentially run malicious code on your computer without your knowledge or interaction. Five other vulnerabilities are marked ‘high‘ risk, making this update absolutely essential.

These vulnerabilities could affect everything from personal emails and financial information to the very stability of your operating system. There are no reports of these flaws being actively exploited yet, but that could change quickly.

Breakdown of the Vulnerabilities

Here’s a quick look at what Mozilla has fixed:

  • Critical: Memory safety bugs that could allow remote code execution (CVE-2024-2615).
  • High:
    • Potential sandbox escapes for Windows systems (CVE-2024-2605).
    • Mishandling of internal code structures (CVE-2024-2606).
    • Code execution flaws specific to older ARM-based devices (CVE-2024-2607).
    • Integer overflows that could allow attackers to write malicious code outside of intended areas (CVE-2024-2608).
    • Additional memory safety issues, some potentially leading to code execution (CVE-2024-2614).

What You Need to Do

  1. Update Now: Mozilla’s updates should roll out automatically, but it’s best to check manually. In Firefox, go to the “Help” menu, then “About Firefox.” The update process should begin automatically. For Thunderbird, the process is similar.
  2. Stay Vigilant: Even with the patch, remember the golden rules of online safety:
    • Be wary of links and attachments in unexpected emails.
    • Stick to trusted websites for downloads and updates.
    • Keep your antivirus software up-to-date.