In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile and Snapdragon Wear MDM9607 MDM9635M MDM9640 MDM9645 MDM9650 MDM9655 MSM8909W SD 210/SD 212/SD 205 SD 425 SD 430 SD 450 SD 617 SD 625 SD 650/52 SD 808 SD 810 SD 820 SD 835 SD 845 SD 850 and SDX20 possible buffer overflow when processing 1X circuit service message.