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Vulnerability record · CVE-2008-5001 · published 10 November 2008

CVE-2008-5001: Ultravnc memory buffer overflow vulnerability

Ultravnc · Ultravnc

Multiple stack-based buffer overflows in multiple functions in vncviewer/FileTransfer.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified parameters, a different issue than CVE-2008-0610.

9.3 CVSS 2.0 High EPSS 5.6% · top 7.4% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Multiple stack-based buffer overflows in multiple functions in vncviewer/FileTransfer.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified parameters, a different issue than CVE-2008-0610.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://forum.ultravnc.info/viewtopic.php?p=45150#45150 Vendor Advisory
http://secunia.com/advisories/28804 Vendor Advisory
http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887
http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/FileTransfer.cpp?view=l
http://www.securityfocus.com/bid/27687
http://www.vupen.com/english/advisories/2008/0486
http://forum.ultravnc.info/viewtopic.php?p=45150#45150 Vendor Advisory
http://secunia.com/advisories/28804 Vendor Advisory
http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887
http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/FileTransfer.cpp?view=l
http://www.securityfocus.com/bid/27687
http://www.vupen.com/english/advisories/2008/0486

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-5001), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.