IIS 3.0 and 4.0 on x86 and Alpha allows remote attackers to cause a denial of service (hang) via a malformed GET request, aka the IIS "GET" vulnerability.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-019
http://support.microsoft.com/support/kb/articles/q192/2/96.asp
https://exchange.xforce.ibmcloud.com/vulnerabilities/1823
Source: Mitre, NVD
Published: 1999-12-31
Updated: 2026-06-16
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.18087