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OpenAdvisories
High · 7.3 CVE-2026-18511 EUVD-2026-58470GHSA-7484-cp4g-hrj6

IBM i is Affected By Multiple Vulnerabilities in Java Secure Sockets Extension

Published Aug 13, 2026 · Updated Aug 14, 2026 · Assigned by ibm

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to generate a stack-based buffer overflow in the Native IBM i JSSE provider, caused by improper bounds checking during TLS session establishment. A local attacker could overflow a fixed-length buffer and execute arbitrary code on the system or cause the JVM process to crash.

Affected products

VendorProductAffectedFixed
IBM i 7.6, 7.5, 7.4, 7.3 —

Advisories 1

References