{"id":"CVE-2003-0209","aliases":["DSA-297","EUVD-2003-0204","GHSA-hp46-mhrx-cx3g"],"status":"published","title":"Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows...","description":"Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.","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":0.38625,"percentile":0.98588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2003-04-16T04:00:00Z","modified":"2026-06-16T22:01:45Z","exploits":[{"source":"exploitdb","id":"EDB-18","title":"Snort 1.9.1 - 'p7snort191.sh' Remote Command Execution","type":"remote","platform":"linux","date":"2003-04-23","verified":true,"url":"https://www.exploit-db.com/exploits/18"}],"affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"snort","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.4beta1-3.1"}]}],"bundled":2}],"products":[{"vendor":"smoothwall","product":"smoothwall"},{"vendor":"sourcefire","product":"snort"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=105103586927007\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/7178","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"http://www.cert.org/advisories/CA-2003-13.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq\u0026m=105043563016235\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=105172790914107\u0026w=2","tags":["vendor-advisory","x_refsource_ENGARDE","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/139129","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.debian.org/security/2003/dsa-297","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=105111217731583\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2003:052","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred"]},{"url":"http://www.coresecurity.com/common/showdoc.php?idx=313\u0026idxseccion=10","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=105154530427824\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0209"},{"url":"https://github.com/advisories/GHSA-hp46-mhrx-cx3g"}],"sources":{"cve":[{"id":"CVE-2003-0209","description":"Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.","status":"published","published":"2003-04-16T04:00:00Z","modified":"2024-08-08T01:43:36.113Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2003-0204","description":"Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.","status":"published","published":"2003-04-16T04:00:00Z","modified":"2024-08-08T01:43:36Z","updated_at":"2026-11-03T01:15:08.178994Z"}],"ghsa":[{"id":"GHSA-hp46-mhrx-cx3g","title":"Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows...","description":"Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.","status":"published","published":"2022-04-29T01:26:01Z","modified":"2023-01-30T05:01:03Z","updated_at":"2026-11-02T14:46:19.644366Z"}],"nvd":[{"id":"CVE-2003-0209","description":"Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.","status":"published","published":"2003-05-05T04:00:00Z","modified":"2026-06-16T22:01:45.38Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:46.710758Z"}],"osv":[{"id":"DSA-297","title":"snort - integer overflow, buffer overflow","status":"published","published":"2003-05-01T00:00:00Z","modified":"2026-03-09T01:18:40.979848Z","updated_at":"2026-11-02T15:46:15.843838Z"}]}}