CVE-2016-3861

highpriority · track · 44EPSS 0.083 · 95 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

8.29% (95th) EPSS

CVSS 9.3 · high

Is it mine?

24 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.07.4highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-264USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-40354Google Android - libutils UTF16 to UTF8 Conversion Heap Buffer Overflowfunctional · exploit_db
kswzzl/CVE-2016-3861my extended take on Mark Brand's CVE 2016-3861 libutils bugPoC · poc_in_github

affected products (24)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
google android= 4.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.0.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.0.2nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.0.3nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.0.4nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.1.2nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.2nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.2.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.2.2nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.3nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.3.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.4nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.4.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.4.2nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 4.4.3nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 5.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 5.0.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 5.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*

showing 20 of 24

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2016-09-11modified 2026-06-17

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references (22)

External citations — patches, advisories, analysis.

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