"Last month it was discovered that WinRAR, software used to open .zip archive files, has been vulnerable for the last 19 years to a bug that's easily exploited by hackers and malware distributors," writes SlashGear. Slashdot reader Iwastheone quotes their report:WinRar 5.70, released in late January, patches the behavior, but "it must be manually downloaded and installed from the website, leaving most users unaware of the critical update," the article warns.It also estimates that during the last 19 years WinRar has been downloaded over 500 million times.