CVE-2008-6441

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-03-09 · updated 2026-06-16
Weakness: CWE-134

Description

Format string vulnerability in the Epic Games Unreal engine client, as used in multiple games, allows remote servers to execute arbitrary code via (1) the CLASS parameter in a DLMGR command, (2) a malformed package (PKG), and possibly (3) the LEVEL parameter in a WELCOME command.

Affected products

Epic Games Unreal Engine: 2, 2.5, 3

References

http://aluigi.altervista.org/adv/unrealcfs-adv.txt
http://archives.neohapsis.com/archives/fulldisclosure/2008-09/0190.html
http://secunia.com/advisories/31854
http://www.osvdb.org/48290
http://www.osvdb.org/48291
http://www.securityfocus.com/archive/1/496297/100/0/threaded
http://www.securityfocus.com/bid/31141
https://exchange.xforce.ibmcloud.com/vulnerabilities/45088
https://exchange.xforce.ibmcloud.com/vulnerabilities/45089
https://exchange.xforce.ibmcloud.com/vulnerabilities/45090
http://aluigi.altervista.org/adv/unrealcfs-adv.txt
http://archives.neohapsis.com/archives/fulldisclosure/2008-09/0190.html

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