CVE-2018-9551: Google Android

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

In CAacDecoder_Init of aacdecoder.cpp, there is a possible out-of-bound write due to a missing bounds check. This could lead to remote code execution in the media server with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-112891548.

Affected products

• Google Android: version 9.0 only

Published 2018-12-06. Last modified 2026-06-17.