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CVE-2006-4655

21
FAUCET Score

CVE-2006-4655 describes a buffer overflow vulnerability in the Strcmp function of the XKEYBOARD extension within the X Window System X11R6.4 and earlier, impacting SCO UnixWare 7.1.3 and Sun Solaris 8 through 10. This local vulnerability has a CVSS score of 4.6, indicating low attack complexity and requiring local access, but allowing for potential privilege escalation, as well as compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit code is publicly available on ExploitDB for various affected platforms. Despite the availability of exploits, there is no evidence of active exploitation, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.1.3CPE matchmatch criteria
cpe:2.3:o:sco:unixware:7.1.3:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:sun:solaris:8.0:*:sparc:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:sun:solaris:8.0:*:x86:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:sun:solaris:9.0:*:sparc:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:sun:solaris:9.0:*:x86:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-2360 · Sep 13, 2006
This CVE's current EPSS score of 0.0087 is in the 88th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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