PT-2026-78688 · Ibm · Ibm I

CVE-2026-18102

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Published

2026-08-19

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Updated

2026-08-25

CVSS v3.1

4.3

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions IBM i versions 7.3 through 7.6
Description An integer underflow occurs during bounds checking, which could allow a remote authenticated attacker to overwrite adjacent memory. An integer underflow is a condition where a subtraction operation results in a value smaller than the minimum representable value for that data type, causing it to wrap around to a very large positive number.
Recommendations Update IBM i versions 7.3 through 7.6 to the latest patched release.

Fix

Heap Based Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-18102

Affected Products

Ibm I