CVE-2006-2401: The leetnet functions (leetnet/rudp.cpp) in Outgun 1.0.3 bot 2 and earlier allow remote attackers to cause a d

Q: How do I fix CVE-2006-2401?

outgun: upgrade to newer than 1.0.3_bot_2. Exact commands for each OS are on this page.

Q: Is CVE-2006-2401 being exploited?

CVE-2006-2401 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-2401 affect?

CVE-2006-2401 affects outgun. Severity is high (CVSS 7.8). The leetnet functions (leetnet/rudp.cpp) in Outgun 1.0.3 bot 2 and earlier allow remote attackers to cause a denial of service (application crash) via packets with incorrect message sizes, which triggers a buffer over-read.

Q: How urgent is CVE-2006-2401?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2006-2401 is a high-severity flaw (CVSS 7.8) affecting outgun. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The leetnet functions (leetnet/rudp.cpp) in Outgun 1.0.3 bot 2 and earlier allow remote attackers to cause a denial of service (application crash) via packets with incorrect message sizes, which triggers a buffer over-read.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Published	2006-05-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: outgun

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

Am I affected?

Timeline

2006-05-16 01:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

outgun outgun UPGRADE

Affected: <= 1.0.3_bot_2 · 1.0 · 1.0.3

Fixed in: newer than 1.0.3_bot_2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0.3_bot_2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade outgun

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade outgun

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: outgun 1.0.3 bot 2 - Multiple Vulnerabilities

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-2006-2401?

outgun: upgrade to newer than 1.0.3_bot_2. Exact commands for each OS are on this page.

Is CVE-2006-2401 being exploited?

CVE-2006-2401 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-2006-2401 affect?

CVE-2006-2401 affects outgun. Severity is high (CVSS 7.8). The leetnet functions (leetnet/rudp.cpp) in Outgun 1.0.3 bot 2 and earlier allow remote attackers to cause a denial of service (application crash) via packets with incorrect message sizes, which triggers a buffer over-read.

How urgent is CVE-2006-2401?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2006-2402 MEDIUM 5.0 UPGRADE Buffer overflow in the changeRegistration function in servernet.cpp for Outgun 1.0.3 bot 2 and earlier allows
CVE-2006-2400 HIGH 7.8 UPGRADE The leetnet functions (leetnet/rudp.cpp) in Outgun 1.0.3 bot 2 and earlier allow remote attackers to cause a d
CVE-2006-2399 HIGH 7.5 UPGRADE Stack-based buffer overflow in the ServerNetworking::incoming_client_data function in servnet.cpp in Outgun 1.

References

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