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Vulnerability record · CVE-2008-4729 · published 24 October 2008

CVE-2008-4729: Hummingbird exceed memory buffer overflow vulnerability

Hummingbird · Exceed

Stack-based buffer overflow in Hummingbird.XWebHostCtrl.1 ActiveX control (hclxweb.dll) in Hummingbird Xweb ActiveX Control 13.0 and earlier allows remote attackers to execute arbitrary code via a long PlainTextPassword property. NOTE: code execution might not be possible in 13.0.

6.8 CVSS 2.0 Medium EPSS 6.9% · top 6.1% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
6.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in Hummingbird.XWebHostCtrl.1 ActiveX control (hclxweb.dll) in Hummingbird Xweb ActiveX Control 13.0 and earlier allows remote attackers to execute arbitrary code via a long PlainTextPassword property. NOTE: code execution might not be possible in 13.0.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/32319 ExploitVendor Advisory
http://securityreason.com/securityalert/4505
http://www.securityfocus.com/bid/31783
https://exchange.xforce.ibmcloud.com/vulnerabilities/45941
https://www.exploit-db.com/exploits/6761
http://secunia.com/advisories/32319 ExploitVendor Advisory
http://securityreason.com/securityalert/4505
http://www.securityfocus.com/bid/31783
https://exchange.xforce.ibmcloud.com/vulnerabilities/45941
https://www.exploit-db.com/exploits/6761

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-4729), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.