Buffer overflow in the POSIX Threads library (libpthread) on HP Tru64 UNIX 4.0F PK8, 4.0G…
Priority LOW 32CWE-119Published · Updated
Key facts
- Attack vector
- Local
- 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
Buffer overflow in the POSIX Threads library (libpthread) on HP Tru64 UNIX 4.0F PK8, 4.0G PK4, and 5.1A PK6 allows local users to gain root privileges via a long PTHREAD_CONFIG environment variable.
Why it matters now
EPSS 0.00534 45th percentileScored 2026-11-07
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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:hp:tru64:4.0f:pk8:*:*:*:*:*:* | 4.0f pk8 | Vulnerable | Hewlett Packard Enterprise |
| cpe:2.3:o:hp:tru64:4.0g:pk4:*:*:*:*:*:* | 4.0g pk4 | Vulnerable | Hewlett Packard Enterprise |
| cpe:2.3:o:hp:tru64:5.1a:pk6:*:*:*:*:*:* | 5.1a pk6 | Vulnerable | Hewlett Packard Enterprise |
- cpe:2.3:o:hp:tru64:4.0f:pk8:*:*:*:*:*:* Versions 4.0f pk8 Vulnerable ·Hewlett Packard Enterprise
- cpe:2.3:o:hp:tru64:4.0g:pk4:*:*:*:*:*:* Versions 4.0g pk4 Vulnerable ·Hewlett Packard Enterprise
- cpe:2.3:o:hp:tru64:5.1a:pk6:*:*:*:*:*:* Versions 5.1a pk6 Vulnerable ·Hewlett Packard Enterprise
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-6418
- 2026-10-03 Alias added: GHSA-m7f5-rr3q-xx76
References
More Hewlett Packard Enterprise Tru64 vulnerabilities
- TI-2007-02702 Unspecified vulnerability in the Secure Shell (SSH) in HP Tru64 UNIX 5.1B-4 and 5.1B-3… CVSS 2.0HIGH 10.0
- TI-2002-01526 Multiple buffer overflows in HP Tru64 UNIX allow local and possibly remote attackers to… CVSS 2.0HIGH 7.5
- TI-2002-01527 Buffer overflow in HP Tru64 UNIX 5.1a, 5.1, 5.0a, 4.0g, and 4.0f allows attackers to… CVSS 2.0HIGH 7.5
- TI-2003-01396 Unspecified vulnerability in CDE dtmailpr of HP Tru64 4.0F through 5.1B allows local… CVSS 2.0HIGH 10.0
- TI-2005-03465 Multiple unspecified vulnerabilities in the Internet Key Exchange version 1 (IKEv1)… CVSS 2.0HIGH 7.8
- TI-1999-00517 ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts. CVSS 3.1MEDIUM 4.0
Sources
- CVE-2006-6418 · CVE Program
- CVE-2006-6418 · NVD
- FIRST EPSS
- GHSA-m7f5-rr3q-xx76 · GitHub Advisory Database · CC BY 4.0
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