CVE-2018-9356 Use after free in Android

What is CVE-2018-9356?

CVE-2018-9356 is a critical use after free vulnerability in Google Android, published on 6 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In bnep_data_ind of bnep_main.c, there is a possible remote code execution due to a double free. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-6.0 Android-6.0.1 Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android ID: A-74950468.

Weakness: CWE-415

Which versions are affected by CVE-2018-9356?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9356?

No fix has been published for CVE-2018-9356 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2018-9356 being exploited?

There is no known exploitation of CVE-2018-9356 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-mhwj-6qmw-wq9v.