Quake 2 server allows remote attackers to cause a denial of service via a spoofed UDP packet with a source address of 127.0.0.1, which causes the server to attempt to connect to itself.
https://exchange.xforce.ibmcloud.com/vulnerabilities/698
http://www.securityfocus.com/archive/1/8282
Source: Mitre, NVD
Published: 1997-12-24
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: 0.00655