CVE-2016-3861

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-09-11 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Android: 4.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1 (+17)

References

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

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