CVE-2006-2075: Unspecified vulnerability in MyDNS 1.1.0 allows remote attackers to cause a denial of service via a crafted DN

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-2075 is a medium-severity flaw (CVSS 5.0) affecting mydns. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in MyDNS 1.1.0 allows remote attackers to cause a denial of service via a crafted DNS message, aka "Query-of-death," as demonstrated by the OUSPG PROTOS DNS test suite.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Published	2006-04-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: don moore

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

Am I affected?

Timeline

2006-04-27 22:03 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

don moore mydns DOWNGRADE

Affected: 1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison mydns sudo apt install mydns=<VERSION_BEFORE_1.1.0> sudo apt-mark hold mydns

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

dnf --showduplicates list mydns sudo dnf downgrade mydns-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add mydns

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-2006-2075?

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

Is CVE-2006-2075 being exploited?

CVE-2006-2075 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-2006-2075 affect?

CVE-2006-2075 affects mydns. Severity is medium (CVSS 5.0). Unspecified vulnerability in MyDNS 1.1.0 allows remote attackers to cause a denial of service via a crafted DNS message, aka "Query-of-death," as demonstrated by the OUSPG PROTOS DNS test suite.

How urgent is CVE-2006-2075?

Priority 38/100. No elevated risk signals yet.

Related CVEs

CVE-2007-2362 HIGH 9.0 DOWNGRADE Multiple buffer overflows in MyDNS 1.1.0 allow remote attackers to (1) cause a denial of service (daemon crash
CVE-2006-0351 MEDIUM 5.0 DOWNGRADE Unspecified "critical denial-of-service vulnerability" in MyDNS before 1.1.0 has unknown impact and attack vec
CVE-2004-0789 MEDIUM 5.0 DOWNGRADE DOWNGRADE Multiple implementations of the DNS protocol, including (1) Poslib 1.0.2-1 and earlier as used by Posadis, (2)

References

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