Vulnerability Report

CVE-2016-2334

Title: 7-Zip RCE

Memory Corruption

Proof Of Concept

PoC Available for CVE-2016-2334

CWE Category CWE-119
Published Date Dec 13, 2016
Modified Date May 06, 2026
Exploit Status Available
Score 7.8 CVSS v3.0
Exploit Probability (EPSS)
14.79%

Vulnerability Summary

CVE-2016-2334: Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.

Impacted Vendors

I
igor_pavlov 1
7
7-zip 1

Reference Links

http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html http://blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html http://www.securityfocus.com/bid/90531 http://www.securitytracker.com/id/1035876 http://www.talosintel.com/reports/TALOS-2016-0093/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/ https://security.gentoo.org/glsa/201701-27 http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html http://blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html http://www.securityfocus.com/bid/90531 http://www.securitytracker.com/id/1035876 http://www.talosintel.com/reports/TALOS-2016-0093/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/ https://security.gentoo.org/glsa/201701-27
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
9.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-2334 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/icewall/CVE-2016-2334
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.