CVE-2006-4126

Exp

The dc_chat function in cmd.dc.c in DConnect Daemon 0.7.0 and earlier allows remote attackers to cause a denial of service (application crash) by sending a client message before providing the nickname, which triggers a null pointer dereference.

Published: 2006-08-14 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4126 is rated High Exploit Risk (65.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 13.55%, 94th percentile). 4 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2006-4126

EDB-ID Source Kind Published Link
28345 exploit_db edb 2006-08-06 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4126

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 2026-04-23 15.60% 13.55% -2.05%
2 2025-12-25 12.86% 15.60% +2.74%
3 2025-08-11 — 12.86% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4126

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2006-4126

NVD evaluator notes for CVE-2006-4126

Solution: This vulnerability is addressed in the following product release: DConnect, DConnect Daemon, 0.7.1

Affected software / configurations for CVE-2006-4126

Vendor Product Version Raw CPE
dconnect dconnect_daemon 0.0.2 cpe:2.3:a:dconnect:dconnect_daemon:0.0.2:*:*:*:*:*:*:*
dconnect dconnect_daemon 0.0.3 cpe:2.3:a:dconnect:dconnect_daemon:0.0.3:*:*:*:*:*:*:*
dconnect dconnect_daemon 0.7.0 cpe:2.3:a:dconnect:dconnect_daemon:0.7.0:*:*:*:*:*:*:*

References for CVE-2006-4126

cvelogic Threat Intelligence