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tightvnc

11 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
CVE-2023-27830
< 2.8.75
TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with c
9.0CRITICAL
CVE-2021-42785
<= 2.8.59
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a
9.8CRITICAL
CVE-2019-8287
all versions
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code e
9.8CRITICAL
CVE-2019-15680
all versions
TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). Th
7.5HIGH
CVE-2019-15679
all versions
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code
9.8CRITICAL
CVE-2019-15678
all versions
TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code executio
9.8CRITICAL
CVE-2009-0388
all versions
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 deni
CVE-2002-1511
all versions
The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate we
CVE-2002-1848
all versions
TightVNC before 1.2.4 running on Windows stores unencrypted passwords in the password text control of the WinVNC Properties dialog
CVE-2002-1336
all versions
TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC au
CVE-2002-0971
all versions
Vulnerability in VNC, TightVNC, and TridiaVNC allows local users to execute arbitrary code as LocalSystem by using the Win32 Messa
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