We were working on Firefox browser automation for opening some of the URL for the malware analysis. We used the combination of python and selenium to perform automation and the After few mins, we stumble upon a Firefox crash, which was causing the memory access violation crash as shown in the following image.
After few min research, we found that the patch was already pushed by the FirFox in the 41.0.1 and the crash was publicly disclosed in the StactOverflow. The cause of the crash is the following python code, this crash is non-exploitable.
from selenium import webdriver
browser = webdriver.Firefox()
In conclusion we recommend you to update your firefox to the latest version.