SkPath.cpp in Skia, as used in Google Chrome before 53.0.2785.89 on Windows and OS X and before 53.0.2785.92 on Linux, does not properly validate the return values of ChopMonoAtY calls, which allows remote attackers to cause a denial of service (uninitialized memory access and application crash) or possibly have unspecified other impact via crafted graphics data.
Weaknesses in this category are typically found in functionality that processes data. Data processing is the manipulation of input to retrieve or save information.