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IBMCVE-2026-18102

IBM i: integer overflow

Low3.5CVE-2026-18102 · Published Aug 19, 2026 · updated Aug 24, 2026

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking.

IBM advisory

Affected versions

PackageAffectedFixed in
i
Product
<= 7.6No fix yet
<= 7.5No fix yet
<= 7.4No fix yet
<= 7.3No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-122

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