CVE-2019-2096 Use after free in Android

High 7.8 Published Updated

A double free vulnerability in the Android audio server allows local attackers to escalate privileges without user interaction.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-2096?

CVE-2019-2096 is a high-severity use after free vulnerability in Google Android, published on 7 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In EffectRelease of EffectBundle.cpp, there is a possible memory corruption due to a double free. This could lead to local escalation of privilege in the audio server with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-123237974.

Weakness: CWE-415

Which versions are affected by CVE-2019-2096?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-2096?

No fix has been published for CVE-2019-2096 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-2019-2096 being exploited?

There is no known exploitation of CVE-2019-2096 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-8795-x9rh-f2m7.

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