Bug 573958 changed the way plugin-container sets up LD_LIBRARY_PATH by appending instead of replacing its value. It should in fact prepend instead of append. There are edge cases where it may pick libxul or other libraries from another gecko directory that is in LD_LIBRARY_PATH.
Created attachment 582222 [details] [diff] [review]
Prepend LD_LIBRARY_PATH instead of appending to it when starting plugin-container