Buffer overflow in IBM Db2

CVE-2025-33092

IBM Db2 for Linux 12.1.0, 12.1.1, and 12.1.2 is vulnerable to a stack-based buffer overflow in db2fm, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-33092: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: -0.000

Affected products

  • IBM Db2 — versions 12.1.2, 12.1.1, 12.1.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-33092?
CVE-2025-33092 is a high-severity vulnerability in IBM Db2, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-07-29.
How severe is CVE-2025-33092?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-33092 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.