CVE-2016-2334

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 14.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-12-13 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

7-Zip: through 15.14
Fedoraproject Fedora: 23, 24
Oracle Corporation Solaris Operating System: all versions

References

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

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