The Video0 driver in Huawei P8 smartphones with software GRA-UL00 before GRA-UL00C00B350, GRA-UL10 before GRA-UL10C00B350, GRA-TL00 before GRA-TL00C01B350, GRA-CL00 before GRA-CL00C92B350, and GRA-CL10 before GRA-CL10C92B350 and Mate S smartphones with software CRR-TL00 before CRR-TL00C01B160SP01, CRR-UL00 before CRR-UL00C00B160, and CRR-CL00 before CRR-CL00C92B161 allows attackers to obtain sensitive information from stack memory or cause a denial of service (system crash) via a crafted application, which triggers an invalid memory access.