CVE-2016-3838 Security feature bypass in n/a

What is CVE-2016-3838?

CVE-2016-3838 is a medium-severity vulnerability in Google Android, published on 5 Aug 2016. 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

Android 6.x before 2016-08-01 allows attackers to cause a denial of service (loss of locked-screen 911 functionality) via a crafted application that uses the app-pinning feature, aka internal bug 28761672.

Weakness: CWE-284

Which versions are affected by CVE-2016-3838?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-3838?

No fix has been published for CVE-2016-3838 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-3838 being exploited?

There is no known exploitation of CVE-2016-3838 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-3r89-8m76-vxrv, UBUNTU-CVE-2016-3838.