CVE-2016-3893 Information disclosure in n/a

What is CVE-2016-3893?

CVE-2016-3893 is a medium-severity vulnerability in Google Android, published on 11 Sep 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

The wcdcal_hwdep_ioctl_shared function in sound/soc/codecs/wcdcal-hwdep.c in the Qualcomm sound codec in Android before 2016-09-05 on Nexus 6P devices does not properly copy firmware data, which allows attackers to obtain sensitive information via a crafted application, aka Android internal bug 29512527 and Qualcomm internal bug CR856400.

Weakness: CWE-200

Which versions are affected by CVE-2016-3893?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-3893?

No fix has been published for CVE-2016-3893 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-3893 being exploited?

There is no known exploitation of CVE-2016-3893 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-fxwm-mqgf-cpcm, UBUNTU-CVE-2016-3893.