Buffer overflow in IBM Informix Dynamic Server

CVE-2012-3334

Stack-based buffer overflow in IBM Informix Dynamic Server (IDS) 11.50 before 11.50.xC9W2 and 11.70 before 11.70.xC5 allows remote authenticated users to execute arbitrary code via crafted arguments in a SET COLLATION statement.

Vulnerability class: Buffer Overflow

Published 2012-09-25 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.0 (High). Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.037 (89.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Affected products

IBM Informix Dynamic Server — versions 11.50, 11.50.xc1, 11.50.xc2

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

exchange.xforce.ibmcloud.com/vulnerabilities/78277 (vdb-entry)
www.ibm.com/support/docview.wss (Vendor Advisory)
osvdb.org/85736 (vdb-entry)
www.securityfocus.com/bid/55668 (vdb-entry)