Google has released Chrome version 44.0.2403.89 for Windows, Mac, and Linux to address multiple vulnerabilities.
Microsoft has released an emergency update that plugs a critical zero-day vulnerability (CVE-2015-2426) that affects all supported versions of Windows and could allow attackers to remotely execute code on the victims' computer.
With its quarterly Critical Patch Update, Oracle has released security fixes for 193 vulnerabilities across all of its products (a good summary can be found here), including the Java zero-day bug (CVE-2015-2590) that is being actively exploited by attackers.
Adobe has released new versions of Flash Player, Shockwave Player and Acrobat and Reader, all of which fix critical vulnerabilities that could potentially allow an attacker to take control of the affected system.
Jaguar Land Rover has announced that owners of Range Rover and Range Rover Sport vehicles manufactured since 2013 will have to visit car dealers and get their car's software updated.
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