CVE-2025-33131: aix Buffer Overflow — Fix

Description

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.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
ibm	db2_high_performance_unload_load	5.1.0.0 — 6.1.0.0
ibm	db2_high_performance_unload_load	All
ibm	db2_high_performance_unload_load	All
ibm	db2_high_performance_unload_load	All
ibm	db2_high_performance_unload_load	All
ibm	db2_high_performance_unload_load	All
ibm	aix	All
ibm	linux_on_ibm_z	All
linux	linux_kernel	All
microsoft	windows	All

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7249336

Frequently Asked Questions

What is CVE-2025-33131? +

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-33131? +

CVE-2025-33131 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-33131? +

CVE-2025-33131 affects products from ibm, linux, microsoft, specifically: aix, db2_high_performance_unload_load, linux_kernel, linux_on_ibm_z, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-33131? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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