An issue was discovered on Samsung mobile devices with KK(4.4) and later software through 2015-05-13. There is a buffer overflow in datablock_write because the amount of received data is not validated. The Samsung ID is SVE-2015-4018 (December 2015).
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)