Unbeknownst to Chartier, a little-known security researcher at Google, Neel Mehta, had discovered and reported the OpenSSL bug on the same day. Considering the bug had actually existed since March 2012, the odds of the two research teams, working independently, finding and reporting the bug at the same time was highly surprising.

http://www.vocativ.com/tech/hacking/behind-scenes-crazy-72-hours-leading-heartbleed-discovery/