CVE-2004-1215: Kreed 1.05 and earlier allows remote attackers to cause a denial of service (server disconnect) via a long UDP

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MEDIUM 5.0DOWNGRADE

CVE-2004-1215 is a medium-severity flaw (CVSS 5.0) affecting kreed. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kreed 1.05 and earlier allows remote attackers to cause a denial of service (server disconnect) via a long UDP packet, which causes a "message too long" socket error.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Published	2005-01-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: burut

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

Am I affected?

Timeline

2005-01-10 05:00 UTCPublished CVE record published
2026-06-16 22:07 UTCUpdated Record last modified

burut kreed DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison kreed sudo apt install kreed=<VERSION_BEFORE_1.5> sudo apt-mark hold kreed

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

dnf --showduplicates list kreed sudo dnf downgrade kreed-<VERSION_BEFORE_1.5> sudo dnf versionlock add kreed

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: Kreed 1.05 - Format String / 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-2004-1215?

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

Is CVE-2004-1215 being exploited?

CVE-2004-1215 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-2004-1215 affect?

CVE-2004-1215 affects kreed. Severity is medium (CVSS 5.0). Kreed 1.05 and earlier allows remote attackers to cause a denial of service (server disconnect) via a long UDP packet, which causes a "message too long" socket error.

How urgent is CVE-2004-1215?

Priority 44/100. Public exploit reference

Related CVEs

CVE-2004-1216 MEDIUM 5.0 DOWNGRADE The scripts that handle players in Kreed 1.05 and earlier allow remote attackers to cause a denial of service
CVE-2004-1214 HIGH 10.0 DOWNGRADE Format string vulnerability in Kreed 1.05 and earlier allows remote attackers to execute arbitrary code via fo

References

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