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Vulnerability record · CVE-2008-4771 · published 28 October 2008

CVE-2008-4771: 4xem vatctrl class memory buffer overflow vulnerability

4xem · Vatctrl Class

Stack-based buffer overflow in VATDecoder.VatCtrl.1 ActiveX control in (1) 4xem VatCtrl Class (VATDecoder.dll 1.0.0.27 and 1.0.0.51), (2) D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5), (3) Vivotek RTSP MPEG4 SP Control (RtspVapgDecoderNew.dll 2.0.0.39), and possibly other products, allows remote attackers to execute arbitrary code via a long Url property. NOTE: some of these details are obtained from third party information.

9.3 CVSS 2.0 High EPSS 7.1% · top 5.9% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in VATDecoder.VatCtrl.1 ActiveX control in (1) 4xem VatCtrl Class (VATDecoder.dll 1.0.0.27 and 1.0.0.51), (2) D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5), (3) Vivotek RTSP MPEG4 SP Control (RtspVapgDecoderNew.dll 2.0.0.39), and possibly other products, allows remote attackers to execute arbitrary code via a long Url property. NOTE: some of these details are obtained from third party information.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/42378
http://osvdb.org/43007
http://secunia.com/advisories/29131 Vendor Advisory
http://secunia.com/advisories/29145 Vendor Advisory
http://secunia.com/advisories/29146 Vendor Advisory
http://securityreason.com/securityalert/4517
http://www.securityfocus.com/bid/28010 Exploit
http://www.vupen.com/english/advisories/2008/0685/references
http://www.vupen.com/english/advisories/2008/0686/references
http://www.vupen.com/english/advisories/2008/0687/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/40863
https://exchange.xforce.ibmcloud.com/vulnerabilities/40864
https://exchange.xforce.ibmcloud.com/vulnerabilities/40867
https://www.exploit-db.com/exploits/5193
http://osvdb.org/42378
http://osvdb.org/43007
http://secunia.com/advisories/29131 Vendor Advisory
http://secunia.com/advisories/29145 Vendor Advisory
http://secunia.com/advisories/29146 Vendor Advisory
http://securityreason.com/securityalert/4517
http://www.securityfocus.com/bid/28010 Exploit
http://www.vupen.com/english/advisories/2008/0685/references
http://www.vupen.com/english/advisories/2008/0686/references
http://www.vupen.com/english/advisories/2008/0687/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/40863
https://exchange.xforce.ibmcloud.com/vulnerabilities/40864
https://exchange.xforce.ibmcloud.com/vulnerabilities/40867
https://www.exploit-db.com/exploits/5193

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Source: NIST National Vulnerability Database (record CVE-2008-4771), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.