CVE-2007-0756 json
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…
published 2007-02-06 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0753
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.5%
- EPSS 4.5% chance of exploitation in 30 days, percentile 91%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-3257)
- Published
Exploit prediction
4.46% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-3257 Chicken of the VNC 2.0 - 'NULL-pointer' Remote Denial of Service dos, 2007-02-02
- securityfocus.com http://www.securityfocus.com/bid/22372 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
References
-
exploit-db.com
/exploits/3257
exploit
-
securityfocus.com
/bid/22372
vdb-entry, exploit
-
securityfocus.com
/archive/1/458907/100/0/threaded
mailing-list
-
securityreason.com
/securityalert/2220
third-party-advisory
-
securityfocus.com
/archive/1/466966/100/0/threaded
mailing-list
-
osvdb.org
/33637
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/32166
vdb-entry
Sources
- CVE List CVE-2007-0756
- NVD CVE-2007-0756
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.