CVE-2008-4770
HIGH · CVSS 10.0EPSS 4.1%EU EUVD
The CMsgReader::readRect function in the VNC Viewer component in RealVNC VNC Free Edition 4.0 through 4.1.2, Enterprise Edition E4.0 through E4.4.2, and Personal Edition P4.0 through P4.4.2 allows remote VNC servers to execute arbitrary code via crafted RFB protocol data, related to "encoding type."
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-20
- EPSS score
- 4.1% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2008-4750)
- Published
- January 16, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2008-4750 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- realvnc / realvnc
- realvnc / realvnc
- realvnc / realvnc
- realvnc / realvnc
- realvnc / realvnc
- realvnc / realvnc
References
- http://secunia.com/advisories/32317
- http://secunia.com/advisories/33689
- http://secunia.com/advisories/34184
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-140455-01-1(Patch, Vendor Advisory)
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-248526-1(Vendor Advisory)
- http://www.gentoo.org/security/en/glsa/glsa-200903-17.xml
- http://www.realvnc.com/pipermail/vnc-list/2008-November/059432.html
- http://www.realvnc.com/products/free/4.1/release-notes.html
- http://www.realvnc.com/products/upgrade.html(Vendor Advisory)
- http://www.redhat.com/support/errata/RHSA-2009-0261.html
- http://www.securityfocus.com/bid/31832
- http://www.securityfocus.com/bid/33263
- http://www.vupen.com/english/advisories/2008/2868
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45969
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47937
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9367
- https://www.redhat.com/archives/fedora-package-announce/2009-January/msg01025.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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