CVE-2026-16868: 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 the use of uninitialized memory during ASN.1 length processing.
Other sources
IBM i could allow a remote attacker to cause a denial of service due to the use of uninitialized memory during ASN.1 length processing.
— 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-2026-16868?
The severity of CVE-2026-16868 is rated high with a score of 8.1.
How do I fix CVE-2026-16868?
To fix CVE-2026-16868, ensure that you have applied the latest updates and patches provided by IBM for your version of IBM i.
What impact does CVE-2026-16868 have on IBM i systems?
CVE-2026-16868 can allow a remote attacker to cause a denial of service on IBM i systems due to uninitialized memory handling.
Which versions of IBM i are affected by CVE-2026-16868?
CVE-2026-16868 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.
Is CVE-2026-16868 exploitable remotely?
Yes, CVE-2026-16868 is exploitable remotely, allowing attackers to trigger a denial of service.