What is CVE-2016-3820?

CVE-2016-3820 is a critical-severity vulnerability in Google Android, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-08-05.

How severe is CVE-2016-3820?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Google Android

CVE-2016-3820

The ih264d decoder in mediaserver in Android 6.x before 2016-08-01 mishandles slice numbers, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted media file, aka internal bug 28673410.

Vulnerability class: Buffer Overflow

Published 2016-08-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.2th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Google Android — versions 6.0, 6.0.1

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

source.android.com/security/bulletin/2016-08-01.html (Vendor Advisory)
www.securityfocus.com/bid/92228 (vdb-entry)
android.googlesource.com/platform/external/libavc/+/a78887bcffbc2995cf9ed72e069… (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2016-3820?: CVE-2016-3820 is a critical-severity vulnerability in Google Android, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-08-05.
How severe is CVE-2016-3820?: Critical severity. CVSS v3 base score is 9.8 out of 10.