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 when making a high speed Dual Carrier Downlink Data call in a multicell environment a buffer overflow may occur.