CVE-2008-6441

CVE-2008-6441 is a critical-severity vulnerability in Epicgames Unreal Engine with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

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.

Frequently asked questions

What is CVE-2008-6441?
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.
How severe is CVE-2008-6441?
CVE-2008-6441 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-6441 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6441?
CVE-2008-6441 primarily affects Epicgames Unreal Engine. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6441?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-6441 published?
CVE-2008-6441 was published on 2009-03-09 and last updated on 2026-06-16.

References

Affected products (3)

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