Android "installer Hijacking" vulnerability, affects all Android versions below 5 (89.5% of Android devices) - http://researchcenter.paloaltonetworks.com/2015/03/android-installer-hijacking-vulnerability-could-expose-android-users-to-malware/ …
@gal_diskin so what about this patch https://android.googlesource.com/platform/packages/apps/PackageInstaller/+/2b3202c3ff18469b294629bf1416118f12492173 … from 2013 (before 2014, which is when you uncovered the issue)?