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
Published Aug 6, 2008
5.0
MEDIUMCVSS 2.0
EPSS 5.63%
Description
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.
Affected products
No data.
- 4.1.2.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
This flaw does not affect the Linux version of RealVNC as shipped in Red Hat Enterprise Linux.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.63% (0.05627) | 92.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.63% (0.05627) | 91.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.68% (0.01677) | 80.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.53% (0.00528) | 77.77th | v3 (v2023.03.01) |
| Jun 2, 2024 | 0.53% (0.00528) | 76.98th | v3 (v2023.03.01) |
| Mar 22, 2024 | 0.67% (0.00666) | 79.25th | v3 (v2023.03.01) |
| Jan 10, 2024 | 0.70% (0.00700) | 78.16th | v3 (v2023.03.01) |
| Mar 17, 2023 | 0.82% (0.00824) | 79.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.78% (0.00782) | 78.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.19% (0.04187) | 87.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.19% (0.04187) | 86.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.19% (0.04187) | 69.86th | v2 (v2022.01.01) |
References (6)
- http://www.securityfocus.com/bid/30499 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2008-3493 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44218 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-3493
- https://www.cve.org/CVERecord?id=CVE-2008-3493
- https://www.exploit-db.com/exploits/6181 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/30499 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2008-3493 | Vendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/44218 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2008-3493 | ||
| https://www.cve.org/CVERecord?id=CVE-2008-3493 | ||
| https://www.exploit-db.com/exploits/6181 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.