CVE-2021-39664 Information disclosure in Android
A missing bounds check in Android's APK parser allows local attackers to read out-of-bounds memory, leading to information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-39664?
CVE-2021-39664 is a medium-severity vulnerability in Google Android, published on 11 Feb 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In LoadedPackage::Load of LoadedArsc.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure when parsing an APK file with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-203938029
Weakness: CWE-125
Which versions are affected by CVE-2021-39664?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39664?
Apply the vendor's patch.
Is CVE-2021-39664 being exploited?
There is no known exploitation of CVE-2021-39664 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-203938029, ASB-A-203938029, GHSA-9229-h595-7v7w.