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CVE-2026-86093

nvd nist
Published: Sep 10, 2026Modified: Sep 14, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.6 / Impact: 5.9
Source: psirt@us.ibm.com (Secondary)

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.

Affected (2)

Products: Ibm: Db2
Ibm
1 product
Db2
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Ibm
Db2
11.5 ≤ version ≤ 11.5.9
Db2
12.1.0 ≤ version ≤ 12.1.5

Related CWEs

CWE-121
Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (1)

Source: psirt@us.ibm.com
Vendor Advisory

Timeline

No history available yet.