CVE-2021-0687 Denial of service in Android
A local attacker can cause an Application Not Responding (ANR) state in Android via improper input validation in Layout.java, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-0687?
CVE-2021-0687 is a medium-severity denial of service vulnerability in Google Android, published on 6 Oct 2021. 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 ellipsize of Layout.java, there is a possible ANR due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-188913943
Weakness: CWE-834
Which versions are affected by CVE-2021-0687?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0687?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-0687 being exploited?
There is no known exploitation of CVE-2021-0687 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-188913943, ASB-A-188913943, GHSA-f4mh-2678-3x2m.