In generateCrop of WallpaperManagerService.java, there is a possible sysui crash due to image exceeding maximum texture size. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-8.0, Android-8.1, Android-9, and Android-10 Android ID: A-120847476

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-0004
• https://source.android.com/security/bulletin/2020-01-01
• https://source.android.com/security/bulletin/2020-01-03