CVE-2006-4516

medium

Description

Integer signedness error in FreeBSD 6.0-RELEASE allows local users to cause a denial of service (memory corruption and kernel panic) via a PT_LWPINFO ptrace command with a large negative data value that satisfies a signed maximum value check but is used in an unsigned copyout function call.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/29476

http://www.securityfocus.com/bid/20440

http://secunia.com/advisories/22367

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=419

Details

Source: Mitre, NVD

Published: 2006-10-12

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00223