CVE-2018-21040: Google Android

High severity, CVSS 8.1. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered on Samsung mobile devices with O(8.x) and P(9.0) (Exynos 9810 chipsets) software. There is a race condition with a resultant use-after-free in the g2d driver. The Samsung ID is SVE-2018-12959 (December 2018).

Affected products

• Google Android: version 8.0 only; version 8.1 only; version 9.0 only

Published 2020-04-08. Last modified 2026-06-17.