CVE-2016-6691 Denial of service in n/a

What is CVE-2016-6691?

CVE-2016-6691 is a critical denial of service vulnerability in Google Android, published on 10 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

service/jni/com_android_server_wifi_Gbk2Utf.cpp in the Qualcomm Wi-Fi gbk2utf module in Android before 2016-10-05 allows remote attackers to cause a denial of service (framework crash) or possibly have unspecified other impact via an access point that has a malformed SSID with GBK encoding, aka Qualcomm internal bug CR 978452.

Weakness: CWE-172

Which versions are affected by CVE-2016-6691?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-6691?

No fix has been published for CVE-2016-6691 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-2016-6691 being exploited?

There is no known exploitation of CVE-2016-6691 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-2fmc-hw9p-wg9h.