UL
Vendor
Ultravnc
4 products with CVEs on record
16
CVEs
0
On KEV
0
New 30D
Products
Recent CVEs
CVEProductCVSSEPSSPublishedSummary
CVE-2026-4962
UL
UltraVNC
Ultravnc
7.0
0%
Mar 27UltraVNC Service version.dll uncontrolled search path
CVE-2026-3787
UL
UltraVNC
Ultravnc
7.0
0%
Mar 8UltraVNC Windows Service cryptbase.dll uncontrolled search path
CVE-2018-15361
UL
UltraVNC
UltraVNC
9.8
3%
Mar 5UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution
CVE-2019-8258
UL
UltraVNC
UltraVNC
9.8
4%
Mar 5UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution
CVE-2019-8259
UL
UltraVNC
UltraVNC
7.5
3%
Mar 5UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client code, which allow an attacker to read stack memory and can be abused for information disclosure
CVE-2019-8260
UL
UltraVNC
UltraVNC
9.8
2%
Mar 5UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC client RRE decoder code, caused by multiplication overflow
CVE-2019-8261
UL
UltraVNC
UltraVNC
9.8
2%
Mar 5UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow
CVE-2019-8262
UL
UltraVNC
UltraVNC
9.8
5%
Mar 5UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution
CVE-2016-5673
RE
Repeater
Ultravnc
7.5
2%
Aug 25UltraVNC Repeater before 1300 does not restrict destination IP addresses or TCP ports, which allows remote attackers to obtain open-proxy functionality by using a :: substring in…
CVE-2010-5248
UL
Ultravnc
Ultravnc
–
0%
Sep 7Untrusted search path vulnerability in UltraVNC 1.0.8.2 allows local users to gain privileges via a Trojan horse vnclang.dll file in the current working directory, as demonstrated…
CVE-2009-0388
UL
Ultravnc
Ultravnc
–
13%
Feb 4Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application…
CVE-2008-5001
UL
Ultravnc
Ultravnc
–
6%
Nov 10Multiple 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…
CVE-2008-0610
UL
Ultravnc
Ultravnc
–
39%
Feb 6Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008,…
CVE-2006-2206
UL
Ultravnc
Ultravnc
–
2%
May 5The MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers to gain privileges by sniffing…
CVE-2006-1652
TV
Tabbed Viewer
Ultravnc
–
68%
Apr 6Multiple buffer overflows in (a) UltraVNC (aka Ultr@VNC) 1.0.1 and earlier and (b) tabbed_viewer 1.29 (1) allow user-assisted remote attackers to execute arbitrary code via a…