CVE-2016-3821: Null Pointer Dereference

Published Aug 5, 2016

Updated

libmedia 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 2016-08-01 has certain incorrect declarations, which allows remote attackers to execute arbitrary code or cause a denial of service (NULL pointer dereference or memory corruption) via a crafted media file, aka internal bug 28166152.

Affected Software

22 affected components

Google Android=4.0

Google Android=4.0.1

Google Android=4.0.2

Google Android=4.0.3

Google Android=4.0.4

Google Android=4.1

Google Android=4.1.2

Google Android=4.2

Google Android=4.2.1

Google Android=4.2.2

Google Android=4.3

Google Android=4.3.1

Google Android=4.4

Google Android=4.4.1

Google Android=4.4.2

Google Android=4.4.3

Google Android=5.0

Google Android=5.0.1

Google Android=5.1

Google Android=5.1.0

Google Android=6.0

Google Android=6.0.1

Remediation

Patch Available

https://android.googlesource.com/platform/frameworks/av/+/42a25c46b844518ff0d0b920c20c519e1417be69

Event History

Aug 5, 2016

CVE Published

via MITRE·08:00 PM

Data Sourced

via MITRE·08:00 PM

Description

Frequently Asked Questions

What is the severity of CVE-2016-3821?

CVE-2016-3821 has a high severity rating due to its potential for remote code execution and denial of service.

How do I fix CVE-2016-3821?

To fix CVE-2016-3821, update your Android device to the latest version that addresses the vulnerability.

What versions of Android are affected by CVE-2016-3821?

CVE-2016-3821 affects Android versions 4.0 through 6.0.1 before the security update in August 2016.

Can CVE-2016-3821 be exploited remotely?

Yes, CVE-2016-3821 can be exploited remotely by attackers to execute arbitrary code.

What are the potential impacts of exploiting CVE-2016-3821?

Exploiting CVE-2016-3821 may lead to arbitrary code execution and potential denial of service due to memory corruption.