---
id: CVE-2025-33133
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 an out of bounds write.
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 an out of bounds write.
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-787
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-2025-33133'
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 an out of bounds write.

## 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.