What’s Vulnerable › Vulnerabilities

CVE-2016-6723

• Severity: medium (CVSS 4.7 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-11-25 · updated 2026-06-17
• Weakness: CWE-284

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.

Affected products

• Android: from 4.0 before 4.4.4; from 5.0 before 5.0.2; from 5.1 before 5.1.1; from 6.0 through 6.0.1; 7.0 — fixed in 4.4.4, 5.0.2, 5.1.1

How to fix

Upgrade to a fixed version: Android 4.4.4, 5.0.2, 5.1.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/94185
• https://source.android.com/security/bulletin/2016-11-01.html
• https://wwws.nightwatchcybersecurity.com/2016/11/07/crashing-android-devices-with-large-pac-files-cve-2016-6723/
• http://www.securityfocus.com/bid/94185
• https://source.android.com/security/bulletin/2016-11-01.html
• https://wwws.nightwatchcybersecurity.com/2016/11/07/crashing-android-devices-with-large-pac-files-cve-2016-6723/

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