CVE-2006-4831: Unspecified vulnerability in IP over DNS is now easy (iodine) before 0.3.2 has unknown impact and attack vecto

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HIGH 10.0DOWNGRADE

CVE-2006-4831 is a high-severity flaw (CVSS 10.0) affecting iodine. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in IP over DNS is now easy (iodine) before 0.3.2 has unknown impact and attack vectors, related to "potential security problems."

Why this priority

Critical severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Published	2006-09-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: iodine

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-09-15 22:07 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

iodine iodine DOWNGRADE

Affected: 0.3 · 0.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.3

1. Check installed version

apt-cache policy iodine || rpm -q iodine || iodine --version

2. No fixed release: DOWNGRADE to a release before 0.3 (Debian / Ubuntu)

apt-cache madison iodine sudo apt install iodine=<VERSION_BEFORE_0.3> sudo apt-mark hold iodine

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list iodine sudo dnf downgrade iodine-<VERSION_BEFORE_0.3> sudo dnf versionlock add iodine

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-4831?

iodine: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-4831 being exploited?

CVE-2006-4831 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-4831 affect?

CVE-2006-4831 affects iodine. Severity is high (CVSS 10.0). Unspecified vulnerability in IP over DNS is now easy (iodine) before 0.3.2 has unknown impact and attack vectors, related to "potential security problems."

How urgent is CVE-2006-4831?

Priority 56/100. Critical severity

Related CVEs

CVE-2024-22050 HIGH 7.5 UPGRADE Path traversal in the static file service in Iodine less than 0.7.33 allows an unauthenticated, remote attacke
CVE-2014-4168 MEDIUM 5.0 UPGRADE (1) iodined.c and (2) user.c in iodine before 0.7.0 allows remote attackers to bypass authentication by contin
CVE-2006-5781 HIGH 7.5 DOWNGRADE Stack-based buffer overflow in the handshake function in iodine 0.3.2 allows remote attackers to execute arbit

References

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