CVE-2005-1899: Rakkarsoft RakNet network library 2.33 and earlier, when released before 30 May 2005, and as used in multiple

Q: How do I fix CVE-2005-1899?

raknet: upgrade to newer than 2.33. Exact commands for each OS are on this page.

Q: Is CVE-2005-1899 being exploited?

CVE-2005-1899 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-2005-1899 affect?

CVE-2005-1899 affects raknet. Severity is medium (CVSS 5.0). Rakkarsoft RakNet network library 2.33 and earlier, when released before 30 May 2005, and as used in multiple products including nFusion Elite Warriors: Vietnam, allows remote attackers to cause a denial of service (infinite loop) via a zer

Q: How urgent is CVE-2005-1899?

Priority 44/100. Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2005-1899 is a medium-severity flaw (CVSS 5.0) affecting raknet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Rakkarsoft RakNet network library 2.33 and earlier, when released before 30 May 2005, and as used in multiple products including nFusion Elite Warriors: Vietnam, allows remote attackers to cause a denial of service (infinite loop) via a zero-byte UDP packet.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Published	2005-06-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: rakkarsoft

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

Am I affected?

Timeline

2005-06-09 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

rakkarsoft raknet UPGRADE

Affected: <= 2.33

Fixed in: newer than 2.33

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.33 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade raknet

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: Rakkarsoft RakNet 2.33 - 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-2005-1899?

raknet: upgrade to newer than 2.33. Exact commands for each OS are on this page.

Is CVE-2005-1899 being exploited?

CVE-2005-1899 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-2005-1899 affect?

CVE-2005-1899 affects raknet. Severity is medium (CVSS 5.0). Rakkarsoft RakNet network library 2.33 and earlier, when released before 30 May 2005, and as used in multiple products including nFusion Elite Warriors: Vietnam, allows remote attackers to cause a denial of service (infinite loop) via a zer

How urgent is CVE-2005-1899?

Priority 44/100. Public exploit reference

References

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