---
id: CVE-2025-33131
title: >-
  IBM DB2 High Performance Unload 6.1.0.3, 5.1.0.1, 6.1.0.2, 6.5, 6.5.0.0 IF1,
  6.1.0.1, 6.1, and 5.1 could allow an authenticated user to cause the program
  to crash due to a buffer being overwritten when it is allocated on the stack.
summary: >-
  IBM DB2 High Performance Unload 6.1.0.3, 5.1.0.1, 6.1.0.2, 6.5, 6.5.0.0 IF1,
  6.1.0.1, 6.1, and 5.1 could allow an authenticated user to cause the program
  to crash due to a buffer being overwritten when it is allocated on the stack.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-120
vendor: ibm
product: db2_high_performance_unload_load
affected:
  - 'db2_high_performance_unload_load >= 5.1.0.0, <= 6.1.0.0'
  - db2_high_performance_unload_load = 6.1.0.1
  - db2_high_performance_unload_load = 6.1.0.2
  - db2_high_performance_unload_load = 6.1.0.3
  - db2_high_performance_unload_load = 6.5.0.0
published: '2025-10-28'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-33131'
references:
  - url: 'https://www.ibm.com/support/pages/node/7249336'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00306
epssPercentile: 0.21044
ingestedAt: '2026-09-30T23:29:32.455Z'
---

## Overview

IBM DB2 High Performance Unload 6.1.0.3, 5.1.0.1, 6.1.0.2, 6.5, 6.5.0.0 IF1, 6.1.0.1, 6.1, and 5.1 could allow an authenticated user to cause the program to crash due to a buffer being overwritten when it is allocated on the stack.

## Affected

- `db2_high_performance_unload_load >= 5.1.0.0, <= 6.1.0.0`
- `db2_high_performance_unload_load = 6.1.0.1`
- `db2_high_performance_unload_load = 6.1.0.2`
- `db2_high_performance_unload_load = 6.1.0.3`
- `db2_high_performance_unload_load = 6.5.0.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.