CVE-2026-17502: 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 write.
Other sources
IBM i could allow a remote attacker to cause a denial of service due to an out-of-bounds write.
— 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-2026-17502?
CVE-2026-17502 has a severity rating of 8.6, categorized as high risk.
What are the versions of IBM i affected by CVE-2026-17502?
CVE-2026-17502 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.
What kind of attack does CVE-2026-17502 allow?
CVE-2026-17502 allows a remote attacker to cause a denial of service through an out-of-bounds write.
How do I fix CVE-2026-17502?
To fix CVE-2026-17502, ensure that your IBM i systems are updated to the latest version with security patches.
What is the potential impact of CVE-2026-17502?
The potential impact of CVE-2026-17502 includes system downtime due to denial of service.