What is CVE-2025-33133?

CVE-2025-33133 is a medium-severity vulnerability in Ibm Aix, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2025-10-28.

How severe is CVE-2025-33133?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Ibm Aix

CVE-2025-33133

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (16.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ibm Aix
Ibm Db2 High Performance Unload — versions 6.1.0.3, 5.1.0.1, 6.1.0.2
Ibm Db2_high_performance_unload_load — versions 6.1.0.1, 6.1.0.2, 6.1.0.3
Ibm Linux_on_ibm_z
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-33133?: CVE-2025-33133 is a medium-severity vulnerability in Ibm Aix, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2025-10-28.
How severe is CVE-2025-33133?: Medium severity. CVSS v3 base score is 6.5 out of 10.