The flaw -- uncovered by IBM researchers in May and patched by Microsoft on Tuesday -- affected every version of Microsoft's desktop OS since Windows 95.
Users of Windows and other Microsoft software will receive a slew of updates on Tuesday, including five rated as critical.
Monthly security update addresses two dozen vulnerabilities, including one being exploited as part of the "Sandworm" cyberattack.
Apple just released a patch for Shellshock, a bug that could give hackers access to Macintosh computers, but a security specialist says Apple fixed only two out of three security holes.
The company said previously that the vast majority of Macs were "safe by default" from the new security vulnerability known as the Bash or Shellshock bug.
The pace of performance increases has slowed among the world's fastest supercomputers, while China now has nearly as many as the UK, France, and Germany combined.
To snag Microsoft's June patches and later ones, Windows 8.1 users better make sure they've installed the April update.
The Web infrastructure company's patch was supposed to have handled the problem. Turns out it protects only three of six critical encryption values.
We compiled a list of the top 100 sites across the Web, and checked to see if the Heartbleed bug was patched.
CNET’s Bridget Carey explains why nearly half a million Web sites are scrambling to patch a bug that may have exposed your private information. Plus, Facebook tweaks privacy settings, and Sesame Street jumps into on-demand subscriptions.