In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile and Snapdragon Wear MDM9206, MDM9607, MDM9635M, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 425, SD 430, SD 615/16/SD 415, SD 617, SD 800, SD 808, and SD 810, in HHO scenarios, during the ACQ procedure, there are possible instances where the search database is incorrectly updated resulting in memory corruption due to buffer overflow.
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile and Snapdragon Wear IPQ4019, MDM9206, MDM9607, MDM9615, MDM9625, MDM9640, MDM9650, MDM9655, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 600, SD 615/16/SD 415, and SDX20, when reading CDT from eMMC with a very large meta offset (>size of default CDT-array compiled in bootloader) for one of the CDBs, a buffer overflow occurs.