Details: In CalculateInstanceSizeForDerivedClass of objects.cc, there is possible memory corruption due to an integer overflow. This could lead to remote code execution in the proxy auto-config with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9 Android ID: A-117556220 [NIST-CVE-2019-2046]
Discovered by: Wei Liu (刘炜) and Yongke Wang (王永科) (@Rudykewang) of Tencent Security Xuanwu Lab (腾讯安全玄武实验室) [Discovery-CVE-2019-2046] on: Unknown