Buffer overflow in the Strcmp function in the XKEYBOARD extension in X Window System…
Priority LOW 23Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in the Strcmp function in the XKEYBOARD extension in X Window System X11R6.4 and earlier, as used in SCO UnixWare 7.1.3 and Sun Solaris 8 through 10, allows local users to gain privileges via a long _XKB_CHARSET environment variable value.
Why it matters now
EPSS 0.00908 60th 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sco:unixware:7.1.3:*:*:*:*:*:*:* | 7.1.3 | Vulnerable | Sco |
| cpe:2.3:o:sun:solaris:8.0:*:sparc:*:*:*:*:* | 8.0 | Vulnerable | Sun |
| cpe:2.3:o:sun:solaris:8.0:*:x86:*:*:*:*:* | 8.0 | Vulnerable | Sun |
| cpe:2.3:o:sun:solaris:9.0:*:sparc:*:*:*:*:* | 9.0 | Vulnerable | Sun |
| cpe:2.3:o:sun:solaris:9.0:*:x86:*:*:*:*:* | 9.0 | Vulnerable | Sun |
| cpe:2.3:o:sun:solaris:10.0:*:sparc:*:*:*:*:* | 10.0 | Vulnerable | Sun |
| cpe:2.3:o:sun:solaris:10.0:*:x86:*:*:*:*:* | 10.0 | Vulnerable | Sun |
- cpe:2.3:o:sco:unixware:7.1.3:*:*:*:*:*:*:* Versions 7.1.3 Vulnerable ·Sco
- cpe:2.3:o:sun:solaris:8.0:*:sparc:*:*:*:*:* Versions 8.0 Vulnerable ·Sun
- cpe:2.3:o:sun:solaris:8.0:*:x86:*:*:*:*:* Versions 8.0 Vulnerable ·Sun
- cpe:2.3:o:sun:solaris:9.0:*:sparc:*:*:*:*:* Versions 9.0 Vulnerable ·Sun
- cpe:2.3:o:sun:solaris:9.0:*:x86:*:*:*:*:* Versions 9.0 Vulnerable ·Sun
- cpe:2.3:o:sun:solaris:10.0:*:sparc:*:*:*:*:* Versions 10.0 Vulnerable ·Sun
- cpe:2.3:o:sun:solaris:10.0:*:x86:*:*:*:*:* Versions 10.0 Vulnerable ·Sun
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-4655
- 2026-10-03 Alias added: GHSA-2752-qr49-v2qw
References
Sources
- CVE-2006-4655 · CVE Program
- CVE-2006-4655 · NVD
- FIRST EPSS
- GHSA-2752-qr49-v2qw · GitHub Advisory Database · CC BY 4.0
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