Summary
Mozilla released security updates for Firefox and Thunderbird to fix 38 vulnerabilities, including 14 critical flaws that allow sandbox escapes, remote code execution, and unauthorized data access.
Take Action:
Time to patch your Firefox, Firefox based browsers or Thunderbird. Update them right away to Firefox 155 (or ESR 153.2, 140.15, 115.40) and Thunderbird 155, 153.2, or 140.15. Just click "Restart to update". Until you've updated and restarted, avoid opening unexpected email attachments or unfamiliar websites, since simply viewing a malicious image, PDF, or message could let an attacker run code on your machine.
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This article was originally published on BeyondMachines
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