Why do some legendaries have stats beyond their definitions?
Solution 1:
It is a magic property that gave you +42 strength and +26 vitality.
Hope it helps ;)
EDIT
As Alok wrote in the comment it is most probably the Dauntless affix.
Link: http://www.diablofans.com/topic/41045-spoiler-diablo-iii-item-affixes/