CVE-2008-3493 json
vncviewer.exe in RealVNC Windows Client 4.1.2.0 allows remote VNC servers to cause a denial of service (application crash) via a crafted fr…
published 2008-08-06 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-3479
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.6%
- EPSS 5.6% chance of exploitation in 30 days, percentile 92%
- public exploits
- 1
- Exploit-DB
Summary
vncviewer.exe in RealVNC Windows Client 4.1.2.0 allows remote VNC servers to cause a denial of service (application crash) via a crafted frame buffer update packet.
Timeline
- First public exploit (EDB-6181)
- Published
Exploit prediction
5.63% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-6181 RealVNC Windows Client 4.1.2 - Remote Denial of Service Crash (PoC) dos, 2008-08-01
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
exploit-db.com
/exploits/6181
exploit
-
securityfocus.com
/bid/30499
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/44218
vdb-entry
Sources
- CVE List CVE-2008-3493
- NVD CVE-2008-3493
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.