{"id":"CVE-2003-1321","aliases":["EUVD-2003-1311","GHSA-xrj4-x4gq-r76x"],"status":"published","title":"Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash...","description":"Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04505,"percentile":0.91565,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:03:55Z","exploits":[{"source":"exploitdb","id":"EDB-23050","title":"Avant Browser 8.0.2 - 'HTTP Request' Buffer Overflow (PoC)","type":"dos","platform":"multiple","date":"2003-08-21","verified":true,"url":"https://www.exploit-db.com/exploits/23050"}],"products":[{"vendor":"avant_force","product":"avant_browser"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/12974","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=106150462504484\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/bid/8471","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-1321"},{"url":"https://github.com/advisories/GHSA-xrj4-x4gq-r76x"}],"sources":{"cve":[{"id":"CVE-2003-1321","description":"Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.","status":"published","published":"2007-03-19T22:00:00Z","modified":"2024-08-08T02:19:46.231Z","updated_at":"2026-11-02T14:20:16.072351Z"}],"euvd":[{"id":"EUVD-2003-1311","description":"Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.","status":"published","published":"2007-03-19T22:00:00Z","modified":"2024-08-08T02:19:46Z","updated_at":"2026-11-03T01:15:03.888222Z"}],"ghsa":[{"id":"GHSA-xrj4-x4gq-r76x","title":"Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash...","description":"Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.","status":"published","published":"2022-04-29T01:27:53Z","modified":"2023-01-30T05:02:04Z","updated_at":"2026-11-02T14:46:33.145275Z"}],"nvd":[{"id":"CVE-2003-1321","description":"Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.","status":"published","published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:03:55.72Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:48.212104Z"}]}}