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Ultravnc

ultravnc

Vendor: Ultravnc • 5 CVEs

CVEs (5)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Ultravnc
1Ultravnc
Apr 29, 2026
Sep 7, 2012
N/A· v4
N/A· v3
6.9 MEDIUM· v2
Untrusted 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 by a directory that contains a .vnc file...Show more
Untrusted 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 by a directory that contains a .vnc file. NOTE: some of these details are obtained from third party information.Show less
2Tightvnc
Ultravnc
2Tightvnc
Ultravnc
Apr 23, 2026
Feb 4, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple 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 crash) or possibly execute arbitrary code v...Show more
Multiple 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 crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.Show less
1Ultravnc
1Ultravnc
Apr 23, 2026
Nov 10, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
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 attac...Show more
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.Show less
1Ultravnc
1Ultravnc
Apr 23, 2026
Feb 6, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
Stack-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, when in LISTENING mode or when using the...Show more
Stack-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, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.Show less
1Ultravnc
1Ultravnc
Apr 16, 2026
May 5, 2006
N/A· v4
N/A· v3
10.0 HIGH· v2
The 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 and decrypting passwords.