CVE-2018-5221 json
Multiple buffer overflows in BarCodeWiz BarCode before 6.7 ActiveX control (BarcodeWiz.DLL) allow remote attackers to execute arbitrary cod…
published 2018-01-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17004
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.9%
- EPSS 3.9% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
Multiple buffer overflows in BarCodeWiz BarCode before 6.7 ActiveX control (BarcodeWiz.DLL) allow remote attackers to execute arbitrary code via a long argument to the (1) BottomText or (2) TopText property.
Patch / fix
- barcodewiz barcode_activex_control 6.7
Exploit prediction
3.91% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- hyp3rlinx.altervista.org http://hyp3rlinx.altervista.org/advisories/BARCODEWIZ-v6.7-ACTIVEX-COMPONENT-BUFFER-OVERFLOW.txt referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/145731/BarcodeWiz-ActiveX-Control-Buffer-Overflow.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
hyp3rlinx.altervista.org
/advisories/BARCODEWIZ-v6.7-ACTIVEX-COMPONENT-BUFFER-OVERFLOW.txt
exploit, third-party-advisory
-
packetstormsecurity.com
/files/145731/BarcodeWiz-ActiveX-Control-Buffer-Overflow.html
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2018-5221
- NVD CVE-2018-5221
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.