CVE-2020-0442 Denial of service in Android

What is CVE-2020-0442?

CVE-2020-0442 is a high-severity denial of service vulnerability in Google Android, published on 10 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Message and toBundle of Notification.java, there is a possible UI slowdown or crash due to improper input validation. This could lead to remote denial of service if a malicious contact file is received, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.0 Android-8.1 Android-9Android ID: A-147358092

Weakness: CWE-20

Which versions are affected by CVE-2020-0442?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0442?

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-2020-0442 being exploited?

There is no known exploitation of CVE-2020-0442 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 A-147358092, ASB-A-147358092, GHSA-xrcm-374r-cvgh.