Apple Webkit r50173

loader/DocumentThreadableLoader.cpp in the XMLHttpRequest implementation in WebCore in WebKit before r58409 does not properly handle credentials during a cross-origin synchronous request, which has unspecified impact and remote attack vectors, aka rdar problem 7905150.

page/Geolocation.cpp in WebCore in WebKit before r56188 and before 1.2.5 does not properly restrict access to the lastPosition function, which has unspecified impact and remote attack vectors, aka rdar problem 7746357.