CVE-2018-9447 Null dereference in Android

What is CVE-2018-9447?

CVE-2018-9447 is a medium-severity vulnerability in Google Android, published on 17 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible way to crash the emergency callback mode due to a missing null check. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-400

Which versions are affected by CVE-2018-9447?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9447?

No fix has been published for CVE-2018-9447 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-9447 being exploited?

There is no known exploitation of CVE-2018-9447 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-g5wq-3r27-v2x7.