The getipnodebyname() API in AIX 5.1 and 5.2 does not properly close sockets, which allows attackers to cause a denial of service (resource exhaustion).
https://techsupport.services.ibm.com/server/pseries.subscriptionSvcs?mode=7&heading=AIX51&topic=SECURITY&month=200310&label=getipnodebyname%28%29+API+does+not+close+sockets.&date=20031001&bulletin=datafile150755&embed=true
https://exchange.xforce.ibmcloud.com/vulnerabilities/13328
http://www.securityfocus.com/bid/8738
Source: Mitre, NVD
Published: 2004-01-20
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: 0.00543