CVE-2026-16853: 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 obtain sensitive information due to an out-of-bounds read.
Other sources
IBM i could allow a remote attacker to obtain sensitive information due to an out-of-bounds read.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch MJ10939 - Upgrade
Upgrade
IBM i 7.5to a version that resolves this vulnerability.Fixed in 7.5Patch MJ10938 - Upgrade
Upgrade
IBM i 7.4to a version that resolves this vulnerability.Fixed in 7.4Patch MJ10937 - Upgrade
Upgrade
IBM i 7.3to a version that resolves this vulnerability.Fixed in 7.3Patch MJ10936
Event History
Frequently Asked Questions
What is the severity of CVE-2026-16853?
The severity of CVE-2026-16853 is classified as medium with a score of 6.5.
How do I fix CVE-2026-16853?
To fix CVE-2026-16853, ensure that your IBM i systems are updated to the latest version that addresses this vulnerability.
What impact does CVE-2026-16853 have on IBM i systems?
CVE-2026-16853 can allow a remote attacker to obtain sensitive information through an out-of-bounds read.
Which versions of IBM i are affected by CVE-2026-16853?
CVE-2026-16853 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.
Is CVE-2026-16853 exploitable remotely?
Yes, CVE-2026-16853 is exploitable remotely, allowing attackers to gain unauthorized access to sensitive data.