HOMEVULNERABILITIESCVE-2016-3751
HIGH

CVE-2016-3751

NVD-CWE-noinfoPublished: July 11, 2016· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Unspecified vulnerability in libpng before 1.6.20, as used in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-07-01, allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 23265085.

NVD Source

Technical Analysis

CVE-2016-3751 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Google1 product(s)
android
libpng1 product(s)
libpng
Source: NVD CPE · 23 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://source.android.com/security/bulletin/2016-07-01.html
ADVISORYhttp://source.android.com/security/bulletin/2016-07-01.html

All References (8)

→
http://source.android.com/security/bulletin/2016-07-01.htmlVendor Advisory
→
http://www.openwall.com/lists/oss-security/2016/07/09/4
→
https://android.googlesource.com/platform/external/libpng/+/9d4853418ab2f754c2b63e091c29c5529b8b86ca
→
https://security.netapp.com/advisory/ntap-20240719-0004/
→
http://source.android.com/security/bulletin/2016-07-01.htmlVendor Advisory
→
http://www.openwall.com/lists/oss-security/2016/07/09/4
→
https://android.googlesource.com/platform/external/libpng/+/9d4853418ab2f754c2b63e091c29c5529b8b86ca
→
https://security.netapp.com/advisory/ntap-20240719-0004/

Quick Facts

CVE IDCVE-2016-3751
CVSS Score7.8 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedJul 11, 2016

Related CVEs (NVD-CWE-noinfo)

CVE-2015-5911
10.0
CVE-2015-5538
10.0
CVE-2015-2137
10.0
CVE-2015-2135
10.0
CVE-2015-6680
10.0
CVE-2015-5922
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-3751 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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