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Fencer Vulns
medium 4.6

CVE-2006-4655 json

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…

published 2006-09-09 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4643

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
4
Exploit-DB

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.

Timeline

  1. First public exploit (EDB-2332)
  2. Published

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-2360 X11R6 < 6.4 XKEYBOARD (Solaris/SPARC) - Local Buffer Overflow (2) local, 2006-09-13
  • EDB-2332 X11R6 < 6.4 XKEYBOARD (sco x86) - Local Buffer Overflow local, 2006-09-08
  • EDB-2331 X11R6 < 6.4 XKEYBOARD (solaris x86) - Local Buffer Overflow local, 2006-09-08
  • EDB-2330 X11R6 < 6.4 XKEYBOARD (Solaris/SPARC) - Local Buffer Overflow (1) local, 2006-09-08

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.