CVE-2006-4655

Exp

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: 2006-09-09 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4655 is rated Exploit Available (57/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.55%). 4 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-4655

EDB-ID Source Kind Published Link
2360 exploit_db edb 2006-09-13 Exploit-DB ↗
2330 exploit_db edb 2006-09-08 Exploit-DB ↗
2331 exploit_db edb 2006-09-08 Exploit-DB ↗
2332 exploit_db edb 2006-09-08 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4655

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-23 0.49% 0.55% +0.06%
2 2025-03-30 0.71% 0.49% -0.22%
3 2025-03-29 — 0.71% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4655

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2006-4655

Affected software / configurations for CVE-2006-4655

Vendor Product Version Raw CPE
sco unixware 7.1.3 cpe:2.3:o:sco:unixware:7.1.3:*:*:*:*:*:*:*
sun solaris 8.0 cpe:2.3:o:sun:solaris:8.0:*:sparc:*:*:*:*:*
sun solaris 8.0 cpe:2.3:o:sun:solaris:8.0:*:x86:*:*:*:*:*
sun solaris 9.0 cpe:2.3:o:sun:solaris:9.0:*:sparc:*:*:*:*:*
sun solaris 9.0 cpe:2.3:o:sun:solaris:9.0:*:x86:*:*:*:*:*
sun solaris 10.0 cpe:2.3:o:sun:solaris:10.0:*:sparc:*:*:*:*:*
sun solaris 10.0 cpe:2.3:o:sun:solaris:10.0:*:x86:*:*:*:*:*

References for CVE-2006-4655

cvelogic Threat Intelligence