CVE-2026-17076: IBM i is Affected By Multiple Vulnerabilities in DRDA / DDM
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper processing of DRDA and DDM resynchronization requests.
Other sources
IBM i could allow a remote attacker to cause a denial of service due to improper processing of DRDA and DDM resynchronization requests.
— 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 7.5to a version that resolves this vulnerability.Fixed in 7.5Patch SJ10849 - Upgrade
Upgrade
IBM i 7.4to a version that resolves this vulnerability.Fixed in 7.4Patch SJ10850 - Upgrade
Upgrade
IBM i 7.3to a version that resolves this vulnerability.Fixed in 7.3Patch SJ10851
Event History
Frequently Asked Questions
What is the severity of CVE-2026-17076?
The severity of CVE-2026-17076 is classified as medium with a score of 5.3.
How do I fix CVE-2026-17076?
To fix CVE-2026-17076, apply the latest updates or patches provided by IBM for IBM i.
What impacts does CVE-2026-17076 have on IBM i?
CVE-2026-17076 could allow a remote attacker to cause a denial of service on IBM i due to improper processing of DRDA and DDM resynchronization requests.
Which versions of IBM i are affected by CVE-2026-17076?
CVE-2026-17076 affects IBM i versions 7.3, 7.4, 7.5, and 7.6.
Is a user interaction required to exploit CVE-2026-17076?
No, CVE-2026-17076 does not require user interaction for exploitation; it can be triggered remotely.