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CVE-2006-4516
Integer signedness error in FreeBSD 6.0-RELEASE allows local users to cause a denial of service (memory corruption and kernel panic) via a…
Medium4.9EPSS 0.81%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.81% · top 43% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 22367 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20061010 FreeBSD ptrace PT_LWPINFO Denial of Service Vulnerability (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- 20440 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- freebsd-ptlwpinfo-ptrace-dos(29476) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2006-4516)Record last updated .