CVE-2006-6653

The accept function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029 allows local users to cause a denial of service (socket consumption) via an invalid (1) name or (2) namelen parameter, which may result in the socket never being closed (aka "a dangling socket").

Published: 2006-12-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-6653 is rated Low Risk (11.6/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.05%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-6653

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.04% 0.05% +0.01%
2 2023-03-07 0.89% 0.04% -0.84%
3 2022-02-04 — 0.89% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6653

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
1.7 2.0 LOW
AV:L/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.1 2.9 [email protected]

Weakness enumeration for CVE-2006-6653

OS Trackers for CVE-2006-6653

vendor priority summary link
alpine — CVE-2006-6653: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6653

NVD evaluator notes for CVE-2006-6653

Solution: This vulnerability is addressed in the following product updates: NetBSD, NetBSD, current (10/23/2006) NetBSD, NetBSD, 3.0 (10/24/2006) NetBSD, NetBSD, 3.0.1 (10/24/2006) NetBSD, NetBSD, 2.0 (10/29/2006)

Affected software / configurations for CVE-2006-6653

Vendor Product Version Raw CPE
netbsd netbsd 2.0 cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
netbsd netbsd 3.0 cpe:2.3:o:netbsd:netbsd:3.0:*:*:*:*:*:*:*
netbsd netbsd 3.0.1 cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:*
netbsd netbsd current cpe:2.3:o:netbsd:netbsd:current:*:*:*:*:*:*:*

References for CVE-2006-6653

cvelogic Threat Intelligence