CVE-2026-16861: IBM i is Affected By Multiple Vulnerabilities in NetServer
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an out-of-bounds read.
Other sources
IBM i could allow a remote attacker to cause a denial of service due to an out-of-bounds read.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM i 7.6 (Release5770-999)to a version that resolves this vulnerability.Fixed in 7.6Patch MJ10939 - Upgrade
Upgrade
IBM i 7.5 (Release5770-999)to a version that resolves this vulnerability.Fixed in 7.5Patch MJ10938 - Upgrade
Upgrade
IBM i 7.4 (Release5770-999)to a version that resolves this vulnerability.Fixed in 7.4Patch MJ10937 - Upgrade
Upgrade
IBM i 7.3 (Release5770-999)to a version that resolves this vulnerability.Fixed in 7.3Patch MJ10936
Event History
Frequently Asked Questions
What is the severity of CVE-2026-16861?
CVE-2026-16861 has a medium severity rating of 5.3.
What systems are affected by CVE-2026-16861?
CVE-2026-16861 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.
What type of vulnerability is CVE-2026-16861?
CVE-2026-16861 is identified as an out-of-bounds read vulnerability.
What is the impact of CVE-2026-16861?
CVE-2026-16861 could allow a remote attacker to cause a denial of service.
How can I mitigate CVE-2026-16861?
Mitigation for CVE-2026-16861 typically involves applying available patches from IBM.