CVE-2016-3746 Use after free in n/a

What is CVE-2016-3746?

CVE-2016-3746 is a high-severity use after free vulnerability in Google Android, published on 11 Jul 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

Use-after-free vulnerability in the mm-video-v4l2 vdec component in mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-07-01 allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 27890802.

Which versions are affected by CVE-2016-3746?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-3746?

No fix has been published for CVE-2016-3746 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-3746 being exploited?

There is no known exploitation of CVE-2016-3746 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-4v66-x5rg-mvx4, UBUNTU-CVE-2016-3746.