CVE-2006-4178 — 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

Back Back to CVE browser

MEDIUM

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

Published Sep 26, 2006

4.9

MEDIUM

CVSS 2.0

EPSS 0.79%

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

Remediation

No remediation recorded yet.

Metrics

0.79% 0.00790

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00790

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.79% (0.00790)	54.63th	v5 (v2026.06.15)
Jun 15, 2026	0.76% (0.00763)	50.41th	v5 (v2026.06.15)
Mar 17, 2025	0.04% (0.00041)	9.68th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00043)	11.52th	v3 (v2023.03.01)
Jun 12, 2024	0.04% (0.00043)	9.60th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00043)	7.57th	v3 (v2023.03.01)
Mar 6, 2023	1.76% (0.01761)	76.53th	v2 (v2022.01.01)
Feb 23, 2023	1.76% (0.01761)	76.48th	v2 (v2022.01.01)
Apr 1, 2022	1.76% (0.01761)	74.44th	v2 (v2022.01.01)
Feb 4, 2022	1.76% (0.01761)	53.69th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (5)

http://secunia.com/advisories/22064
third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1016927
vdb-entryx_refsource_SECTRACK
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=415
third-party-advisoryx_refsource_IDEFENSEVendor Advisory
http://www.securityfocus.com/archive/1/446946/100/0/threaded
mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/bid/20158
vdb-entryx_refsource_BID

Link	Providers	Tags
http://secunia.com/advisories/22064		third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1016927		vdb-entryx_refsource_SECTRACK
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=415		third-party-advisoryx_refsource_IDEFENSEVendor Advisory
http://www.securityfocus.com/archive/1/446946/100/0/threaded		mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/bid/20158		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Sep 26, 2006

Updated Aug 7, 2024

Reserved Aug 16, 2006

Link CVE-2006-4178

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2006-4178

Red Hat

Severity n/a

Public date n/a

Links CVE-2006-4178