{"id":"CVE-2001-0498","aliases":["EUVD-2001-0494","GHSA-m2wr-gcf2-334f"],"status":"published","title":"Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows...","description":"Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02102,"percentile":0.81848,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-07-21T04:00:00Z","modified":"2026-06-16T21:54:25Z","products":[{"vendor":"oracle","product":"oracle8i"}],"references":[{"url":"http://www.nai.com/research/covert/advisories/049.asp","tags":["vendor-advisory","x_refsource_NAI","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0498"},{"url":"https://github.com/advisories/GHSA-m2wr-gcf2-334f"}],"sources":{"cve":[{"id":"CVE-2001-0498","description":"Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.","status":"published","published":"2001-07-27T04:00:00Z","modified":"2024-08-08T04:21:38.6Z","updated_at":"2026-11-02T14:34:43.358691Z"}],"euvd":[{"id":"EUVD-2001-0494","description":"Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.","status":"published","published":"2001-07-27T04:00:00Z","modified":"2024-08-08T04:21:38Z","updated_at":"2026-11-03T01:14:51.569576Z"}],"ghsa":[{"id":"GHSA-m2wr-gcf2-334f","title":"Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows...","description":"Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.","status":"published","published":"2022-04-30T18:16:10Z","modified":"2023-01-30T05:05:27Z","updated_at":"2026-11-02T14:47:16.830144Z"}],"nvd":[{"id":"CVE-2001-0498","description":"Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.","status":"published","published":"2001-07-21T04:00:00Z","modified":"2026-06-16T21:54:25.203Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:40.041412Z"}]}}