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Fencer Vulns
critical 9.3

CVE-2007-2856 json

Buffer overflow in the Dart Communications PowerTCP ZIP Compression ActiveX control in DartZip.dll 1.8.5.3, when Internet Explorer 6 is use…

published 2007-05-24 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-2848

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.2%
EPSS 7.2% chance of exploitation in 30 days, percentile 94%
public exploits
2
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-3982)
  2. Published

Exploit prediction

7.17% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-3984 Dart Communications PowerTCP - ZIP Compression Remote Buffer Overflow remote, 2007-05-25
  • EDB-3982 Dart Communications PowerTCP - Service Control Remote Buffer Overflow remote, 2007-05-24
  • retrogod.altervista.org http://retrogod.altervista.org/ie_DartZip_bof.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

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

References

Sources

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.