In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9607 MDM9615 MDM9635M MDM9640 SD 210/SD 212/SD 205 SD 400 SD 600 SD 615/16/SD 415 SD 617 SD 650/52 SD 800 SD 810 and SD 820 an arbitrary length value from an incoming message to QMI Proxy can lead to an out-of-bounds write in the stack variable message.