{"id":"CVE-1999-1043","aliases":["EUVD-1999-1024","GHSA-hjv9-q8gw-pmgm"],"status":"published","title":"Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2)...","description":"Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).","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":"2026-11-10","score":0.13227,"percentile":0.96409,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1999-12-31T05:00:00Z","modified":"2026-06-16T21:49:35Z","products":[{"vendor":"microsoft","product":"exchange_server"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-007","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1043"},{"url":"https://github.com/advisories/GHSA-hjv9-q8gw-pmgm"}],"sources":{"cve":[{"id":"CVE-1999-1043","description":"Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T16:55:29.473Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1024","description":"Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T16:55:29Z","updated_at":"2026-11-03T03:50:44.304075Z"}],"ghsa":[{"id":"GHSA-hjv9-q8gw-pmgm","title":"Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2)...","description":"Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).","status":"published","published":"2022-04-30T18:11:42Z","modified":"2023-01-30T05:04:30Z","updated_at":"2026-11-02T14:47:03.625779Z"}],"nvd":[{"id":"CVE-1999-1043","description":"Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).","status":"published","published":"1999-12-31T05:00:00Z","modified":"2026-06-16T21:49:35.187Z","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":"2026-11-02T13:58:51.654586Z"}]}}