The xdrDecodeString function in XNFS.NLM in Novell Netware 6.5 before SP8 allows remote…
Priority MEDIUM 60CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
The xdrDecodeString function in XNFS.NLM in Novell Netware 6.5 before SP8 allows remote attackers to cause a denial of service (abend) or execute arbitrary code via a crafted, signed value in a NFS RPC request to port UDP 1234, leading to a stack-based buffer overflow.
Why it matters now
EPSS 0.16819 97th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:novell:netware:*:sp7:*:*:*:*:*:* | up to 6.5 | Vulnerable | Novell |
| cpe:2.3:a:novell:netware:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Novell |
| cpe:2.3:a:novell:netware:6.5:sp1:*:*:*:*:*:* | 6.5 sp1 | Vulnerable | Novell |
| cpe:2.3:a:novell:netware:6.5:sp2:*:*:*:*:*:* | 6.5 sp2 | Vulnerable | Novell |
| cpe:2.3:a:novell:netware:6.5:sp3:*:*:*:*:*:* | 6.5 sp3 | Vulnerable | Novell |
| cpe:2.3:a:novell:netware:6.5:sp4:*:*:*:*:*:* | 6.5 sp4 | Vulnerable | Novell |
| cpe:2.3:a:novell:netware:6.5:sp5:*:*:*:*:*:* | 6.5 sp5 | Vulnerable | Novell |
| cpe:2.3:a:novell:netware:6.5:sp6:*:*:*:*:*:* | 6.5 sp6 | Vulnerable | Novell |
- cpe:2.3:a:novell:netware:*:sp7:*:*:*:*:*:* Versions up to 6.5 Vulnerable ·Novell
- cpe:2.3:a:novell:netware:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Novell
- cpe:2.3:a:novell:netware:6.5:sp1:*:*:*:*:*:* Versions 6.5 sp1 Vulnerable ·Novell
- cpe:2.3:a:novell:netware:6.5:sp2:*:*:*:*:*:* Versions 6.5 sp2 Vulnerable ·Novell
- cpe:2.3:a:novell:netware:6.5:sp3:*:*:*:*:*:* Versions 6.5 sp3 Vulnerable ·Novell
- cpe:2.3:a:novell:netware:6.5:sp4:*:*:*:*:*:* Versions 6.5 sp4 Vulnerable ·Novell
- cpe:2.3:a:novell:netware:6.5:sp5:*:*:*:*:*:* Versions 6.5 sp5 Vulnerable ·Novell
- cpe:2.3:a:novell:netware:6.5:sp6:*:*:*:*:*:* Versions 6.5 sp6 Vulnerable ·Novell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4227
- 2026-10-03 Alias added: GHSA-r996-hr3f-f6c5
References
More Novell Netware vulnerabilities
- TI-2010-02257 Stack-based buffer overflow in the CIFS.NLM driver in Netware SMB 1.0 for Novell Netware… CVSS 2.0HIGH 10.0
- TI-2010-03978 Stack-based buffer overflow in NWFTPD.NLM before 5.10.02 in the FTP server in Novell… CVSS 2.0HIGH 9.0
- TI-2005-02700 Unknown vulnerability in CIFS.NLM in Novell Netware 6.5 SP2 and SP3, 5.1, and 6.0 allows… CVSS 2.0MEDIUM 5.0
- TI-2004-02604 webadmin-apache.conf in Novell Web Manager of Novell NetWare 6.5 uses an uppercase Alias… CVSS 2.0HIGH 10.0
- TI-1999-01035 Novell 5 and earlier, when running over IPX with a packet signature level less than 3… CVSS 2.0HIGH 10.0
- TI-2010-00304 Novell Netware 6.5 SP8 allows remote attackers to cause a denial of service (NULL pointer… CVSS 2.0HIGH 7.8
Sources
- CVE-2010-4227 · CVE Program
- CVE-2010-4227 · NVD
- FIRST EPSS
- GHSA-r996-hr3f-f6c5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences