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Vulnerability record · CVE-2016-3861 · published 11 September 2016

CVE-2016-3861: Google android memory buffer overflow vulnerability

Google · Android

LibUtils 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 mishandles conversions between Unicode character encodings with different encoding widths, which allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted file, aka internal bug 29250543.

7.8 CVSS 3.0 High EPSS 9.8% · top 4.6% CWE-119 · Memory buffer overflowCWE-264 · Permissions and access controls
7.8CVSS 3.0 base score, v2 9.3
9.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

LibUtils 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 mishandles conversions between Unicode character encodings with different encoding widths, which allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted file, aka internal bug 29250543.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://source.android.com/security/bulletin/2016-09-01.html Vendor Advisory
http://www.securityfocus.com/bid/92811
http://www.securitytracker.com/id/1036763
https://android.googlesource.com/platform/frameworks/av/+/3944c65637dfed14a5a895685edfa4bacaf9f76e Issue TrackingPatch
https://android.googlesource.com/platform/frameworks/base/+/866dc26ad4a98cc835d075b627326e7d7e52ffa1 Issue TrackingPatch
https://android.googlesource.com/platform/frameworks/native/+/1f4b49e64adf4623eefda503bca61e253597b9bf Issue TrackingPatch
https://android.googlesource.com/platform/system/core/+/ecf5fd58a8f50362ce9e8d4245a33d56f29f142b Issue TrackingPatch
https://www.exploit-db.com/exploits/40354/
http://source.android.com/security/bulletin/2016-09-01.html Vendor Advisory
http://www.securityfocus.com/bid/92811
http://www.securitytracker.com/id/1036763
https://android.googlesource.com/platform/frameworks/av/+/3944c65637dfed14a5a895685edfa4bacaf9f76e Issue TrackingPatch
https://android.googlesource.com/platform/frameworks/base/+/866dc26ad4a98cc835d075b627326e7d7e52ffa1 Issue TrackingPatch
https://android.googlesource.com/platform/frameworks/native/+/1f4b49e64adf4623eefda503bca61e253597b9bf Issue TrackingPatch
https://android.googlesource.com/platform/system/core/+/ecf5fd58a8f50362ce9e8d4245a33d56f29f142b Issue TrackingPatch
https://www.exploit-db.com/exploits/40354/

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Source: NIST National Vulnerability Database (record CVE-2016-3861), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.