CVE-2016-2334

Name: CVE-2016-2334
Creator: NVD / NIST
Published: 2016-12-13T22:59:00.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 14.79%

Last modified Jun 17, 2026

CVE-2016-2334 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 14.79% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

14.79%

96.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
7-Zip	7-Zip	<= 15.14
Fedoraproject	Fedora	23
Fedoraproject	Fedora	24
Oracle	Solaris	All versions

References

http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.htmlExploit, Third Party Advisory
http://blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/90531Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1035876Third Party Advisory, VDB Entry
http://www.talosintel.com/reports/TALOS-2016-0093/Exploit, Third Party Advisory
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.htmlExploit, Third Party Advisory
http://blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/90531Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1035876Third Party Advisory, VDB Entry
http://www.talosintel.com/reports/TALOS-2016-0093/Exploit, Third Party Advisory
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

Timeline

Published: Dec 13, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2016-2334?

Severity scoring for CVE-2016-2334 is pending analysis. The EPSS model estimates a 14.79% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2334?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2334?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST