How severe is CVE-2006-5781?

CVE-2006-5781 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-5781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5781?

CVE-2006-5781 affects Iodine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-5781?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-5781 published?

CVE-2006-5781 was published on 2006-11-07 and last updated on 2026-06-16.

CVE-2006-5781

CVE-2006-5781 is a high-severity vulnerability in Iodine with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Iodine
Published: 2006-11-07
Last modified: 2026-06-16

Description

Stack-based buffer overflow in the handshake function in iodine 0.3.2 allows remote attackers to execute arbitrary code via a crafted DNS response.

Frequently asked questions

What is CVE-2006-5781?: Stack-based buffer overflow in the handshake function in iodine 0.3.2 allows remote attackers to execute arbitrary code via a crafted DNS response.
How severe is CVE-2006-5781?: CVE-2006-5781 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-5781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5781?: CVE-2006-5781 affects Iodine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-5781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-5781 published?: CVE-2006-5781 was published on 2006-11-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:iodine:iodine:0.3.2:*:*:*:*:*:*:*

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CVE-2006-4831 — Critical (CVSS 10.0): Unspecified vulnerability in IP over DNS is now easy (iodine) before 0.3.2 has unknown impact and attack vectors,…

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