Skip to content
Fencer Vulns
medium 4.3

CVE-2007-4145 json

Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2.ocx 8.1.2.0 and earlier allows remote attack…

published 2007-08-03 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4129

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2.ocx 8.1.2.0 and earlier allows remote attackers to execute arbitrary code via a long string in the second argument to the ConnecttoServer method.

Timeline

  1. First public exploit (EDB-30441)
  2. Published

Exploit prediction

5.30% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30441 BlueSkyChat ActiveX Control 8.1.2 - Remote Buffer Overflow remote, 2007-07-31
  • securityfocus.com http://www.securityfocus.com/bid/25149 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

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.