CVE-2026-16871: IBM i is Affected By Multiple Vulnerabilities in NetServer
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to a heap buffer overflow.
Other sources
IBM i could allow a remote authenticated attacker to obtain sensitive information due to a heap buffer overflow.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM ito a version that resolves this vulnerability.Fixed in 7.6Patch MJ10939 - Upgrade
Upgrade
IBM ito a version that resolves this vulnerability.Fixed in 7.5Patch MJ10938 - Upgrade
Upgrade
IBM ito a version that resolves this vulnerability.Fixed in 7.4Patch MJ10937 - Upgrade
Upgrade
IBM ito a version that resolves this vulnerability.Fixed in 7.3Patch MJ10936
Event History
Frequently Asked Questions
What is the severity of CVE-2026-16871?
CVE-2026-16871 has a medium severity rating of 4.3.
How do I fix CVE-2026-16871?
To mitigate CVE-2026-16871, apply the latest security patches provided by IBM for the affected IBM i versions.
What systems are affected by CVE-2026-16871?
CVE-2026-16871 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.
What type of attack does CVE-2026-16871 involve?
CVE-2026-16871 involves a heap buffer overflow that could allow a remote authenticated attacker to obtain sensitive information.
Can CVE-2026-16871 be exploited remotely?
Yes, CVE-2026-16871 can be exploited by remote authenticated attackers.