CVE-2008-3409: Buffer overflow in Unreal Tournament 3 1.3beta4 and earlier allows remote attackers to cause a denial of servi

Q: How do I fix CVE-2008-3409?

unreal tournament 3: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Q: Is CVE-2008-3409 being exploited?

CVE-2008-3409 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-2008-3409 affect?

CVE-2008-3409 affects unreal tournament 3. Severity is high (CVSS 7.5). Buffer overflow in Unreal Tournament 3 1.3beta4 and earlier allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a UDP packet containing a large value in a certain

Q: How urgent is CVE-2008-3409?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5UPGRADE

CVE-2008-3409 is a high-severity flaw (CVSS 7.5) affecting unreal tournament 3. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Unreal Tournament 3 1.3beta4 and earlier allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a UDP packet containing a large value in a certain size field, followed by a data string of that size, aka attack 1 in ut3mendo.c.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	11.0% (top 4%)
CISA exploited list	No
Weakness	CWE-119
Published	2008-07-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: epic games

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

Am I affected?

Timeline

2008-07-31 17:41 UTCPublished CVE record published
2026-06-16 22:55 UTCUpdated Record last modified

epic games unreal tournament 3 UPGRADE

Affected: <= 1.3 · 1.1 · 1.2

Fixed in: newer than 1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy unreal-tournament-3 || rpm -q unreal-tournament-3 || unreal-tournament-3 --version

2. UPGRADE to newer than 1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade unreal-tournament-3

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade unreal-tournament-3

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: Unreal Tournament 3 - Memory Corruption (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-2008-3409?

unreal tournament 3: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Is CVE-2008-3409 being exploited?

CVE-2008-3409 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-2008-3409 affect?

CVE-2008-3409 affects unreal tournament 3. Severity is high (CVSS 7.5). Buffer overflow in Unreal Tournament 3 1.3beta4 and earlier allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a UDP packet containing a large value in a certain

How urgent is CVE-2008-3409?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2008-4243 HIGH 7.8 DOWNGRADE Directory traversal vulnerability in ImageServer (aka UTImageServer) in WebAdmin before 1.7 for Epic Games Unr
CVE-2008-3410 MEDIUM 5.0 UPGRADE Unreal Tournament 3 1.3beta4 and earlier allows remote attackers to cause a denial of service (NULL pointer de

References

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