Every CVE Search/ Get API key

CVE-2007-0756

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application...

7.8 HighPublic exploit

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.

Exploit likelihood

4.46%Down 2.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.

Record
CVE-2007-0756
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Updated
2026-11-02
CVE List No score

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.

Record
CVE-2007-0756
Updated
2026-11-02
EUVDEUVD-2007-0753 No score

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.

Record
EUVD-2007-0753
Updated
2026-11-03
GitHub AdvisoriesGHSA-8q68-54jr-f7ph No score

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application...

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.

Record
GHSA-8q68-54jr-f7ph
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBChicken of the VNC 2.0 - 'NULL-pointer' Remote Denial of Service2007-02-02

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

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

In short

CVE-2007-0756 is a high vulnerability (CVSS 7.8) in Chicken Of The Vnc Of The Vnc, published February 6, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.46%, the 91st percentile. No source names a fixed version.

References

MoveEnter Open