Epic Games Unreal Engine 226f through 436 allows remote attackers to cause a denial of service (CPU consumption or crash) and possibly execute arbitrary code via (1) a packet with a negative size value, which is treated as a large positive number during memory allocation, or (2) a negative size value in a package file
Published Oct 23, 2007
10.0
HIGHCVSS 2.0
EPSS 7.54%
Description
Epic Games Unreal Engine 226f through 436 allows remote attackers to cause a denial of service (CPU consumption or crash) and possibly execute arbitrary code via (1) a packet with a negative size value, which is treated as a large positive number during memory allocation, or (2) a negative size value in a package file.
Affected products
No data.
- 226f
- 433
- 436
- 2199_linux
- 2199_win32
- demo_version_2206_linux
- demo_version_2206_win32
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.54% (0.07538) | 94.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.54% (0.07538) | 93.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 18.68% (0.18681) | 94.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.47% (0.04474) | 92.75th | v3 (v2023.03.01) |
| Jul 19, 2024 | 4.47% (0.04474) | 92.54th | v3 (v2023.03.01) |
| Jun 11, 2024 | 4.69% (0.04692) | 92.64th | v3 (v2023.03.01) |
| Oct 28, 2023 | 4.66% (0.04664) | 91.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.33% (0.04327) | 91.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.47% (0.05470) | 89.98th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.47% (0.05470) | 89.00th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.47% (0.05470) | 76.60th | v2 (v2022.01.01) |
References (8)
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2003-05/0142.html mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/6770 vdb-entryx_refsource_BIDExploit
- http://www.securityfocus.com/bid/6772 vdb-entryx_refsource_BIDExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11302 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11305 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/12012 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html | mailing-listx_refsource_BUGTRAQ | |
| http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html | mailing-listx_refsource_BUGTRAQ | |
| http://archives.neohapsis.com/archives/bugtraq/2003-05/0142.html | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/6770 | vdb-entryx_refsource_BIDExploit | |
| http://www.securityfocus.com/bid/6772 | vdb-entryx_refsource_BIDExploit | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/11302 | vdb-entryx_refsource_XF | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/11305 | vdb-entryx_refsource_XF | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/12012 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.