Buffer overflow in Mw6 Technologies Barcode Activex

CVE-2009-0298

Heap-based buffer overflow in MW6 Technologies Barcode ActiveX control (Barcode.MW6Barcode.1, Barcode.dll) 3.0.0.1 allows remote attackers to execute arbitrary code via a long Supplement property.

Vulnerability class: Buffer Overflow

Published 2009-01-27 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.056 (92.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · change: 0.000

Affected products

Mw6 Technologies Barcode Activex — versions 3.0.0.1

Weakness classification (CWE)

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

References

secunia.com/advisories/33663 (Vendor Advisory, third-party-advisory)
www.securityfocus.com/bid/33451 (Exploit, vdb-entry)
www.exploit-db.com/exploits/7869 (exploit)