Vulnerabilities > CVE-2021-39804 - NULL Pointer Dereference vulnerability in Google Android 11.0/12.0/12.1

047910
CVSS 6.5 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
google
CWE-476

Summary

In reinit of HeifDecoderImpl.cpp, there is a possible crash due to a missing null check. This could lead to remote persistent denial of service in the file picker with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215002587

Vulnerable Configurations

Part Description Count
OS
Google
3

Common Weakness Enumeration (CWE)