CVE-2016-3758

Multiple buffer overflows in libdex/OptInvocation.cpp in DexClassLoader in Android 4.x before 4.4...

7.8 HighFix available

Multiple buffer overflows in libdex/OptInvocation.cpp in DexClassLoader 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 allow attackers to gain privileges via a crafted application that provides a long filename, aka internal bug 27840771.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.44%Down 0.4 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2016-3758
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-119, CWE-264
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-3758
Updated: 2026-11-02

EUVDEUVD-2016-4771 No score

Record: EUVD-2016-4771
Updated: 2026-11-03

GitHub AdvisoriesGHSA-99qx-727v-7x9w 7.8

Multiple buffer overflows in libdex/OptInvocation.cpp in DexClassLoader in Android 4.x before 4.4...

Record: GHSA-99qx-727v-7x9w
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

OSV 7.8

Record: CVE-2016-3758
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2016-3758 7.8

Record: DEBIAN-CVE-2016-3758
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-3758 7.8

Record: UBUNTU-CVE-2016-3758
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

google android

Affected packages

Affected packages
Package	Affected	Fixed
`android-platform-dalvik` Debian:11	before 6.0.1+r55-1	6.0.1+r55-1
`android` Ubuntu:16.04:LTS	All versions, plus listed versions 20150818-1500-0ubuntu220150818-1500-0ubuntu320160307-0742-0ubuntu320160330-0939-0ubuntu1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-3758 is a high vulnerability (CVSS 7.8) in Google Android, published July 11, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. Fixed in android-platform-dalvik 6.0.1+r55-1.