CVE-2006-4178

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-09-26 · updated 2026-06-16

Description

Integer signedness error in the i386_set_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cause a denial of service (crash) via unspecified arguments that use negative signed integers to cause the bzero function to be called with a large length parameter, a different vulnerability than CVE-2006-4172.

Affected products

FreeBSD: through 5.5; 5.2, 5.2.1, 5.3, 5.4

References

http://secunia.com/advisories/22064
http://securitytracker.com/id?1016927
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=415
http://www.securityfocus.com/archive/1/446946/100/0/threaded
http://www.securityfocus.com/bid/20158
http://secunia.com/advisories/22064
http://securitytracker.com/id?1016927
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=415
http://www.securityfocus.com/archive/1/446946/100/0/threaded
http://www.securityfocus.com/bid/20158

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