CVE-2016-6723 Denial of service in Android

What is CVE-2016-6723?

CVE-2016-6723 is a medium-severity denial of service vulnerability in Google Android, published on 25 Nov 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

A denial of service vulnerability in Proxy Auto Config in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-11-01, and 7.0 before 2016-11-01 could enable a remote attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as Moderate because it requires an uncommon device configuration. Android ID: A-30100884.

Weakness: CWE-284

Which versions are affected by CVE-2016-6723?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-6723?

No fix has been published for CVE-2016-6723 yet. Limit exposure of the affected software until one is available.

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-2016-6723 being exploited?

There is no known exploitation of CVE-2016-6723 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-5j27-wj82-4pr7, UBUNTU-CVE-2016-6723.