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CVE PROGRAM SOURCE RECORD7.3 High

CVE-2026-18511

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

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Status
Published
Published
Updated
Assigning organization
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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM i

  • 7.6affected
  • 7.5affected
  • 7.4affected
  • 7.3affected

References