How severe is CVE-2016-3863?

CVE-2016-3863 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-3863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3863?

CVE-2016-3863 primarily affects Google Android. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3863?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-3863 published?

CVE-2016-3863 was published on 2016-09-11 and last updated on 2026-06-17.

CVE-2016-3863

CVE-2016-3863 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Google Android
Published: 2016-09-11
Last modified: 2026-06-17

Description

Multiple stack-based buffer overflows in the AVCC reassembly implementation in Utils.cpp in libstagefright in MediaMuxer in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 allow remote attackers to execute arbitrary code via a crafted media file, aka internal bug 29161888.

Frequently asked questions

What is CVE-2016-3863?: Multiple stack-based buffer overflows in the AVCC reassembly implementation in Utils.cpp in libstagefright in MediaMuxer in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 allow remote attackers to execute arbitrary code via a crafted media file, aka internal bug 29161888.
How severe is CVE-2016-3863?: CVE-2016-3863 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-3863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3863?: CVE-2016-3863 primarily affects Google Android. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3863?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-3863 published?: CVE-2016-3863 was published on 2016-09-11 and last updated on 2026-06-17.

References

Affected products (23)

cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.2.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.3:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.4:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.4.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.4.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.4.3:*:*:*:*:*:*:*
cpe:2.3:o:google:android:5.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:5.0.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:5.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:5.1.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*

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