Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in…
Priority MEDIUM 50CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.14742 96th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:* | up to 15.14 | Vulnerable | 7-Zip |
| cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* | 23 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* | 24 | Vulnerable | Fedoraproject |
| cpe:2.3:o:oracle:solaris:*:*:*:*:*:*:*:* | all versions | Vulnerable | Oracle |
- cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:* Versions up to 15.14 Vulnerable ·7-Zip
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* Versions 23 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* Versions 24 Vulnerable ·Fedoraproject
- cpe:2.3:o:oracle:solaris:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Oracle
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2334
- 2026-10-03 Alias added: GHSA-62c7-f6mx-fmm8
References
Exploit 2
Sources
- CVE-2016-2334 · CVE Program
- CVE-2016-2334 · NVD
- FIRST EPSS
- GHSA-62c7-f6mx-fmm8 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-2334 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences