CVE-2006-6810: Unspecified vulnerability in the clear_user_list function in src/main.c in DB Hub 0.3 allows remote attackers

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MEDIUM 5.0DOWNGRADE

CVE-2006-6810 is a medium-severity flaw (CVSS 5.0) affecting db hub. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in the clear_user_list function in src/main.c in DB Hub 0.3 allows remote attackers to cause a denial of service (application crash) via crafted network traffic, which triggers memory corruption.

Why this priority

EPSS top 10%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.9% (top 10%)
CISA exploited list	No
Published	2006-12-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: db hub

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

Am I affected?

Timeline

2006-12-29 11:28 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

db hub db hub DOWNGRADE

Affected: 0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.3

1. Check installed version

apt-cache policy db-hub || rpm -q db-hub || db-hub --version

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

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

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

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

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: DB Hub 0.3 - Remote Denial of Service

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-2006-6810?

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

Is CVE-2006-6810 being exploited?

CVE-2006-6810 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-2006-6810 affect?

CVE-2006-6810 affects db hub. Severity is medium (CVSS 5.0). Unspecified vulnerability in the clear_user_list function in src/main.c in DB Hub 0.3 allows remote attackers to cause a denial of service (application crash) via crafted network traffic, which triggers memory corruption.

How urgent is CVE-2006-6810?

Priority 45/100. EPSS top 10%: very likely to be exploited; Public exploit reference

References

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