CVE-2026-17199: IBM i is Affected By Multiple Vulnerabilities in Host Servers
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.
Other sources
IBM i could allow a remote attacker to cause a denial of service due to unbounded resource allocation.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ10848 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ10899 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ11022 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ11101 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ11097 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ11098 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ11099 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ11100 - Upgrade
Upgrade
IBM i 7.5to a version that resolves this vulnerability.Fixed in 7.5Patch SJ11102 - Upgrade
Upgrade
IBM i 7.4to a version that resolves this vulnerability.Fixed in 7.4Patch SJ11103 - Upgrade
Upgrade
IBM i 7.3to a version that resolves this vulnerability.Fixed in 7.3Patch SJ11104 - Upgrade
Upgrade
IBM i 7.5to a version that resolves this vulnerability.Fixed in 7.5Patch SJ11097 - Upgrade
Upgrade
IBM i 7.5to a version that resolves this vulnerability.Fixed in 7.5Patch SJ11098 - Upgrade
Upgrade
IBM i 7.4to a version that resolves this vulnerability.Fixed in 7.4Patch SJ11099 - Upgrade
Upgrade
IBM i 7.3to a version that resolves this vulnerability.Fixed in 7.3Patch SJ11100
Event History
Frequently Asked Questions
What is the severity of CVE-2026-17199?
CVE-2026-17199 has a high severity score of 7.5.
What types of systems are impacted by CVE-2026-17199?
CVE-2026-17199 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.
What kind of attack can CVE-2026-17199 facilitate?
CVE-2026-17199 can allow a remote attacker to cause a denial of service.
What is the risk rating of CVE-2026-17199?
CVE-2026-17199 has a risk rating of 43.
How do I mitigate CVE-2026-17199?
To mitigate CVE-2026-17199, ensure your IBM i system is updated to the latest supported version and apply any necessary patches.