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Vulnerability record · CVE-2006-4655 · published 9 September 2006

CVE-2006-4655: Sco unixware vulnerability

SSco · Unixware

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.

4.6 CVSS 2.0 Medium EPSS 0.90% · top 41.6%
4.6CVSS 2.0 base score
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
30References
16 Jun 2026Last modified by NVD

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.

AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/21815
http://secunia.com/advisories/21845
http://secunia.com/advisories/21856
http://secunia.com/advisories/21993
http://securityreason.com/securityalert/1545
http://securitytracker.com/id?1016806
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102570-1
http://support.avaya.com/elmodocs2/security/ASA-2006-195.htm
http://www.risesecurity.org/advisory/RISE-2006001.txt Vendor Advisory
http://www.securityfocus.com/archive/1/445579/100/0/threaded
http://www.securityfocus.com/bid/19905
http://www.vupen.com/english/advisories/2006/3525
http://www.vupen.com/english/advisories/2006/3529
https://exchange.xforce.ibmcloud.com/vulnerabilities/28820
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1798
http://secunia.com/advisories/21815
http://secunia.com/advisories/21845
http://secunia.com/advisories/21856
http://secunia.com/advisories/21993
http://securityreason.com/securityalert/1545
http://securitytracker.com/id?1016806
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102570-1
http://support.avaya.com/elmodocs2/security/ASA-2006-195.htm
http://www.risesecurity.org/advisory/RISE-2006001.txt Vendor Advisory
http://www.securityfocus.com/archive/1/445579/100/0/threaded
http://www.securityfocus.com/bid/19905
http://www.vupen.com/english/advisories/2006/3525
http://www.vupen.com/english/advisories/2006/3529
https://exchange.xforce.ibmcloud.com/vulnerabilities/28820
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1798

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-4655), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.