CVE-2007-2651: Multiple off-by-one errors in VooDoo cIRCle before 1.1.beta27 allow remote attackers to cause a denial of serv

This month

HIGH 7.5DOWNGRADE

CVE-2007-2651 is a high-severity flaw (CVSS 7.5) affecting voodoo circle. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple off-by-one errors in VooDoo cIRCle before 1.1.beta27 allow remote attackers to cause a denial of service (connection loss) or possibly execute arbitrary code via a (1) DNS name response of the exact length as a buffer; or a long (2) channel name, (3) partyline channel name, or unspecified vectors in crafted BOTNET packets.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Published	2007-05-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: voodoo circle

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

Am I affected?

Timeline

2007-05-14 21:19 UTCPublished CVE record published
2026-06-16 22:40 UTCUpdated Record last modified

voodoo circle voodoo circle DOWNGRADE

Affected: 1.0 · 1.0.1 · 1.0.2 · 1.0.3 · 1.0.4 · 1.0.5 · 1.0.6 · 1.0.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy voodoo-circle || rpm -q voodoo-circle || voodoo-circle --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison voodoo-circle sudo apt install voodoo-circle=<VERSION_BEFORE_1.0> sudo apt-mark hold voodoo-circle

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

dnf --showduplicates list voodoo-circle sudo dnf downgrade voodoo-circle-<VERSION_BEFORE_1.0> sudo dnf versionlock add voodoo-circle

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-2007-2651?

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

Is CVE-2007-2651 being exploited?

CVE-2007-2651 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-2007-2651 affect?

CVE-2007-2651 affects voodoo circle. Severity is high (CVSS 7.5). Multiple off-by-one errors in VooDoo cIRCle before 1.1.beta27 allow remote attackers to cause a denial of service (connection loss) or possibly execute arbitrary code via a (1) DNS name response of the exact length as a buffer; or a long (2

How urgent is CVE-2007-2651?

Priority 48/100. High severity

Related CVEs

CVE-2005-1326 MEDIUM 5.0 DOWNGRADE Buffer overflow in VooDoo cIRCle BOTNET before 1.0.33 allows remote authenticated attackers to cause a denial

References

← Back to latest CVEs