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Vulnerability record · CVE-2008-3409 · published 31 July 2008

CVE-2008-3409: Epic games unreal tournament 3 memory buffer overflow vulnerability

Epic Games · Unreal Tournament 3

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.

7.5 CVSS 2.0 High EPSS 11% · top 4.2% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://aluigi.altervista.org/adv/ut3mendo-adv.txt
http://aluigi.org/poc/ut3mendo.zip
http://secunia.com/advisories/31265 Vendor Advisory
http://www.securityfocus.com/archive/1/494929/100/0/threaded
http://www.securityfocus.com/bid/30430
http://www.vupen.com/english/advisories/2008/2260/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/44105
http://aluigi.altervista.org/adv/ut3mendo-adv.txt
http://aluigi.org/poc/ut3mendo.zip
http://secunia.com/advisories/31265 Vendor Advisory
http://www.securityfocus.com/archive/1/494929/100/0/threaded
http://www.securityfocus.com/bid/30430
http://www.vupen.com/english/advisories/2008/2260/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/44105

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Source: NIST National Vulnerability Database (record CVE-2008-3409), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.