Out-of-bounds Read in IBM I
CVE-2026-17015
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to cause a denial of service and obtain sensitive information due to an out-of-bounds read.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L.
Affected products
- Ibm I — versions 7.3, 7.4, 7.5
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-17015?
- CVE-2026-17015 is a medium-severity vulnerability in IBM I, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-08-19.
- How severe is CVE-2026-17015?
- Medium severity. CVSS v3 base score is 5.4 out of 10.