CVE-2026-17199 PUBLISHED

IBM i is Affected By Multiple Vulnerabilities in Host Servers

Assigner: ibm
Reserved: 24.07.2026 Published: 13.08.2026 Updated: 13.08.2026

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to unbounded resource allocation.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Product Status

Vendor IBM
Product i
Versions
  • Version 7.6 is affected
  • Version 7.5 is affected
  • Version 7.4 is affected
  • Version 7.3 is affected

Solutions

IBM strongly recommends addressing the vulnerability now.

Host Servers

IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ11101 SJ11097 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11101 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11097 7.5SJ11102 SJ11098 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11102 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11098 7.4SJ11103 SJ11099 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11103 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11099 7.3SJ11104 SJ11100 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11100

Debug Server

IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ10899 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899

Telnet

IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ11022 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11022

DRDA/DDM

IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ10848 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10848

IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

References

Problem Types

  • CWE-770 Allocation of Resources Without Limits or Throttling CWE