How severe is CVE-2008-3409?

CVE-2008-3409 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-3409 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3409?

CVE-2008-3409 primarily affects Epic Games Unreal Tournament 3. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-3409?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-3409 published?

CVE-2008-3409 was published on 2008-07-31 and last updated on 2026-06-16.

CVE-2008-3409

CVE-2008-3409 is a high-severity vulnerability in Epic Games Unreal Tournament 3 with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Epic Games Unreal Tournament 3
Published: 2008-07-31
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2008-3409?: 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.
How severe is CVE-2008-3409?: CVE-2008-3409 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-3409 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3409?: CVE-2008-3409 primarily affects Epic Games Unreal Tournament 3. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-3409?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-3409 published?: CVE-2008-3409 was published on 2008-07-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:epic_games:unreal_tournament_3:*:beta_4:*:*:*:*:*:*
cpe:2.3:a:epic_games:unreal_tournament_3:1.1:*:*:*:*:*:*:*
cpe:2.3:a:epic_games:unreal_tournament_3:1.2:*:*:*:*:*:*:*

More vulnerabilities in Epic Games Unreal Tournament 3

CVE-2008-4243 — High (CVSS 7.8): Directory traversal vulnerability in ImageServer (aka UTImageServer) in WebAdmin before 1.7 for Epic Games Unreal…
CVE-2008-3410 — Medium (CVSS 5.0): Unreal Tournament 3 1.3beta4 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference…

All CVEs affecting Epic Games Unreal Tournament 3 →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →