How severe is CVE-2006-4126?

CVE-2006-4126 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-4126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4126?

CVE-2006-4126 primarily affects Dconnect Dconnect Daemon. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4126?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-4126 published?

CVE-2006-4126 was published on 2006-08-14 and last updated on 2026-06-16.

CVE-2006-4126

CVE-2006-4126 is a medium-severity vulnerability in Dconnect Dconnect Daemon with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dconnect Dconnect Daemon
Published: 2006-08-14
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2006-4126?: 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.
How severe is CVE-2006-4126?: CVE-2006-4126 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-4126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4126?: CVE-2006-4126 primarily affects Dconnect Dconnect Daemon. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4126 published?: CVE-2006-4126 was published on 2006-08-14 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:dconnect:dconnect_daemon:0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:dconnect:dconnect_daemon:0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:dconnect:dconnect_daemon:0.7.0:*:*:*:*:*:*:*

More vulnerabilities in Dconnect Dconnect Daemon

CVE-2006-4125 — High (CVSS 7.5): Stack-based buffer overflow in main.c in DConnect Daemon 0.7.0 and earlier allows remote attackers to execute arbitrary…
CVE-2006-4127 — Medium (CVSS 4.6): Multiple format string vulnerabilities in DConnect Daemon 0.7.0 and earlier allow remote administrators to execute…

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