CVE-2026-86093

HighCVSS 7.5/10Last modified Sep 14, 2026

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack buffer without bounds checking.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Vendor	Product	Versions
IBM	Db2	>= 11.5.0, <= 11.5.9; >= 12.1.0, <= 12.1.5

References

https://www.ibm.com/support/pages/node/7286993Vendor Advisory

Timeline

Published: Sep 10, 2026
Last modified: Sep 14, 2026
NVD status: Analyzed

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