include/core/SkPostConfig.h in Skia, as used in System_server in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-04-01, mishandles certain crashes, which allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 26593930.
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.