CVE-2016-2334
Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before...
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.
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
What each source reports
NVD Score used
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.
- Record
CVE-2016-2334- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-2334- Updated
- 2026-11-02
EUVDEUVD-2016-3418 No score
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.
- Record
EUVD-2016-3418- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-62c7-f6mx-fmm8
Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before...
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.
- Record
GHSA-62c7-f6mx-fmm8- CVSS 3.0
- 7.8 High
CVSS: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
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.
- Record
CVE-2016-2334- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-2334
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.
- Record
DEBIAN-CVE-2016-2334- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-2334
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.
- Record
UBUNTU-CVE-2016-2334- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10322-1 No score
p7zip-16.02-2.1 on GA media
These are all security issues fixed in the p7zip-16.02-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10322-1- Updated
- 2026-11-02
Affected products
Affected packages
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | icewall/CVE-2016-2334 | 2017-11-27 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-2334 is a high vulnerability (CVSS 7.8) in 7-zip, published December 13, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 14.7%, the 96th percentile. Fixed in p7zip 15.14.1+dfsg-2.
References
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR
blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html
talosintel.com/reports/TALOS-2016-0093
blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html
securityfocus.com/bid/90531
security.gentoo.org/glsa/201701-27
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securitytracker.com/id/1035876
oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
nvd.nist.gov/vuln/detail/CVE-2016-2334
github.com/advisories/GHSA-62c7-f6mx-fmm8
security-tracker.debian.org/tracker/CVE-2016-2334
ubuntu.com/security/CVE-2016-2334
twitter.com/_Icewall/status/739731922998448129
cve.org/CVERecord?id=CVE-2016-2334
suse.com/security/cve/CVE-2015-1038