{"id":"CVE-2003-1432","aliases":["EUVD-2003-1422","GHSA-h457-7gvf-jx74"],"status":"published","title":"Epic Games Unreal Engine 226f through 436 allows remote attackers to cause a denial of service ...","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.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.07538,"percentile":0.94544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189","CWE-94"],"published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:04:25Z","products":[{"vendor":"epic_games","product":"unreal_engine"},{"vendor":"epic_games","product":"unreal_tournament_2003"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11302","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11305","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/6770","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/bid/6772","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/12012","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2003-05/0142.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-1432"},{"url":"https://github.com/advisories/GHSA-h457-7gvf-jx74"}],"sources":{"cve":[{"id":"CVE-2003-1432","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.","status":"published","published":"2007-10-23T01:00:00Z","modified":"2024-08-08T02:28:03.738Z","updated_at":"2026-11-02T14:20:16.411288Z"}],"euvd":[{"id":"EUVD-2003-1422","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.","status":"published","published":"2007-10-23T01:00:00Z","modified":"2024-08-08T02:28:03Z","updated_at":"2026-11-03T01:15:03.384433Z"}],"ghsa":[{"id":"GHSA-h457-7gvf-jx74","title":"Epic Games Unreal Engine 226f through 436 allows remote attackers to cause a denial of service ...","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.","status":"published","published":"2022-04-29T01:28:04Z","modified":"2023-01-30T05:02:19Z","cwes":["CWE-94"],"updated_at":"2026-11-02T14:46:36.658869Z"}],"nvd":[{"id":"CVE-2003-1432","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.","status":"published","published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:04:25.57Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-94","CWE-189"],"updated_at":"2026-11-02T14:00:48.212104Z"}]}}