Is CVE-2016-2334 being actively exploited?

CVE-2016-2334 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2016-2334?

CVE-2016-2334 has a CVSS 3.0 base score of 7.8 (HIGH).

CVE-2016-2334

HIGH · CVSS 7.8EPSS 14.7%EU EUVD

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.

Key facts

CVSS score: 7.8 (v3.0)
Severity: HIGH
CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-119
EPSS score: 14.7% (97th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2016-3418)
Published: December 13, 2016
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2016-3418 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

7-zip / 7-zip
fedoraproject / fedora
fedoraproject / fedora
oracle / solaris

Certified products that may be affected

15 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Oracle VM Server for SPARC 3.6 and Oracle Solaris 11.4 - Oracle Corporation - Common Criteria 614-LSS - active
Oracle Solaris Userland Cryptographic Framework - Oracle Corporation - FIPS 140 4142 - historical
Oracle Solaris Kernel Cryptographic Framework - Oracle Corporation - FIPS 140 4034 - historical
Oracle Solaris 11.4 - Oracle Corporation - Common Criteria 503-LSS - archived
Oracle Solaris Kernel Cryptographic Framework - Oracle Corporation - FIPS 140 2698 - historical

See all 15 in the Security Certifications Explorer.

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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