sl4shd0rk writes "Upon examining the PDF Engine behind Google Chrome, Google employees Mateusz Jurczyk and Gynvael Coldwind discovered numerous holes. This led them to also test Adobe Reader, which turned up around 60 holes which could crash the PDF reader, 40 of them being potential attack vectors. The duo notified Adobe, who promised fixes, but as of the latest updates (Tuesday of this week) for Windows and Macintosh, 16 of the reported flaws are still present (the Linux version has been ignored). To prove it, Mateusz and Gynvael obfuscated the info and released it, saying the unpatched holes could easily be found. The Google employees therefore recommend that users refrain from opening any PDF documents from external sources in Adobe Reader."