CVE-2007-4145

Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2...

4.3 MediumPublic exploit

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.

Exploit likelihood

5.30%Down 10.3 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2007-4145
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-4145
Updated: 2026-11-02

EUVDEUVD-2007-4129 No score

Record: EUVD-2007-4129
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cxpm-phr4-m48g No score

Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2...

Record: GHSA-cxpm-phr4-m48g
Updated: 2026-11-02

Affected products

bluesky blueskychat

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	BlueSkyChat ActiveX Control 8.1.2 - Remote Buffer Overflow	2007-07-31

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	aliases, exploits, facts, references, title	Exploit-DB, GitHub Advisories
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-4145 is a medium vulnerability (CVSS 4.3) in Bluesky Blueskychat, published August 3, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.30%, the 92nd percentile. No source names a fixed version.