Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote…
Priority LOW 23CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header.
Why it matters now
EPSS 0.01835 79th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:unzip_project:unzip:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Unzip Project |
- cpe:2.3:a:unzip_project:unzip:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Unzip Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9844
- 2026-10-03 Alias added: GHSA-r3pw-cm89-hq37
References
More Unzip Project Unzip vulnerabilities
- TI-2020-18789 Path traversal in github.com/yi-ge/unzip CVSS 3.1CRITICAL 9.1
- TI-2018-15695 A heap-based buffer overflow exists in Info-Zip UnZip version <= 6.00 in the processing… CVSS 3.0HIGH 7.8
- TI-2008-00852 Memory corruption in Info-ZIP unzip CVSS 2.0HIGH 9.3
- TI-2014-06756 Out-of-bounds write in Info-ZIP UnZip CVSS 3.1HIGH 7.8
- TI-2014-06755 Out-of-bounds write in Info-ZIP UnZip CVSS 3.1HIGH 7.8
- TI-2014-06754 Out-of-bounds write in Info-ZIP UnZip CVSS 3.1HIGH 7.8
Sources
- CVE-2016-9844 · CVE Program
- CVE-2016-9844 · NVD
- FIRST EPSS
- GHSA-r3pw-cm89-hq37 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-9844 · 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