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Vulnerability record · CVE-2007-2856 · published 24 May 2007

CVE-2007-2856: Dart powertcp zip compression memory buffer overflow vulnerability

Dart · Powertcp Zip Compression

Buffer overflow in the Dart Communications PowerTCP ZIP Compression ActiveX control in DartZip.dll 1.8.5.3, when Internet Explorer 6 is used, allows user-assisted remote attackers to execute arbitrary code via a long first argument to the QuickZip function, a related issue to CVE-2007-2855.

9.3 CVSS 2.0 High EPSS 7.2% · top 5.9% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the Dart Communications PowerTCP ZIP Compression ActiveX control in DartZip.dll 1.8.5.3, when Internet Explorer 6 is used, allows user-assisted remote attackers to execute arbitrary code via a long first argument to the QuickZip function, a related issue to CVE-2007-2855.

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

Affected products

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

References

LinkTags
http://osvdb.org/38111
http://retrogod.altervista.org/ie_DartZip_bof.html Exploit
http://www.securityfocus.com/archive/1/469503/100/0/threaded
http://www.securityfocus.com/archive/1/469592/100/0/threaded
http://www.securityfocus.com/bid/24142
http://www.securityfocus.com/bid/24163
https://exchange.xforce.ibmcloud.com/vulnerabilities/34494
https://exchange.xforce.ibmcloud.com/vulnerabilities/34520
http://osvdb.org/38111
http://retrogod.altervista.org/ie_DartZip_bof.html Exploit
http://www.securityfocus.com/archive/1/469503/100/0/threaded
http://www.securityfocus.com/archive/1/469592/100/0/threaded
http://www.securityfocus.com/bid/24142
http://www.securityfocus.com/bid/24163
https://exchange.xforce.ibmcloud.com/vulnerabilities/34494
https://exchange.xforce.ibmcloud.com/vulnerabilities/34520

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

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Source: NIST National Vulnerability Database (record CVE-2007-2856), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.