CVE-2026-18511
HIGH7.3CVSS v3
—CVSS v2
0.17%
EPSS (exploit probability)
CWE-787CWE
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected routers (0)
No routers currently mapped to this CVE in our database.