CVE-2026-86093

Published Sep 10, 2026

Last updated 2 days ago

Overview

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.
Source
psirt@us.ibm.com
NVD status
Analyzed
Products
db2

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.5
Impact score
5.9
Exploitability score
1.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

psirt@us.ibm.com
CWE-121

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.