MEDIUM
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
Published Sep 9, 2006
4.6
MEDIUMCVSS 2.0
EPSS 0.90%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.6 MEDIUM NVD
AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.90% 0.00900
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00900
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.90% (0.00900) | 58.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.87% (0.00874) | 54.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.84% (0.00836) | 73.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 0.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.22% (0.03220) | 82.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.22% (0.03220) | 65.30th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (15)
- http://secunia.com/advisories/21815 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21845 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21856 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21993 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/1545 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1016806 vdb-entryx_refsource_SECTRACK
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102570-1 vendor-advisoryx_refsource_SUNALERT
- http://support.avaya.com/elmodocs2/security/ASA-2006-195.htm x_refsource_CONFIRM
- http://www.risesecurity.org/advisory/RISE-2006001.txt x_refsource_MISCVendor Advisory
- http://www.securityfocus.com/archive/1/445579/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/19905 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2006/3525 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2006/3529 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28820 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1798 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 9, 2006
Updated Aug 7, 2024
Reserved Sep 8, 2006
Link CVE-2006-4655
CISA Vulnrichment
Updated n/a