NULL pointer dereference in IBM Db2

CVE-2026-16702

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16702?
CVE-2026-16702 is a medium-severity vulnerability in IBM Db2, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-09-14.
How severe is CVE-2026-16702?
Medium severity. CVSS v3 base score is 6.5 out of 10.