TI
Product
TigerVNC
by TigerVNC · last CVE Mar 26, 2026
30
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 4High 22Medium 2Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-34352
9.8
0%
Mar 26
In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect…
Affected: before 1.16.2
CVE-2014-0011
9.8
2%
Jan 2
Multiple heap-based buffer overflows in the ZRLE_DECODE function in common/rfb/zrleDecode.h in TigerVNC before 1.3.1, when NDEBUG is enabled, allow remote VNC servers to cause a…
Affected: before 1.3.1
CVE-2017-5581
9.8
4%
Feb 28
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle…
Affected: through 1.7
CVE-2014-8241
9.8
3%
Dec 14
XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to…
Affected: All versions, or not specified
CVE-2017-7393
8.8
2%
Apr 1
In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution
Affected: 1.7.1
CVE-2020-26117
8.1
3%
Sep 27
In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions
Affected: before 1.11.0
CVE-2025-26601
7.8
0%
Feb 25
A use-after-free flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2025-26600
7.8
0%
Feb 25
A use-after-free flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2025-26599
7.8
0%
Feb 25
An access to an uninitialized pointer flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2025-26598
7.8
0%
Feb 25
An out-of-bounds write flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2025-26597
7.8
0%
Feb 25
A buffer overflow flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2025-26596
7.8
0%
Feb 25
A heap overflow flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2025-26595
7.8
0%
Feb 25
A buffer overflow flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2025-26594
7.8
0%
Feb 25
A use-after-free flaw was found in X.Org and Xwayland
Affected: All versions, or not specified
CVE-2024-0409
7.8
0%
Jan 18
A flaw was found in the X.Org server
Affected: before 1.13.1
CVE-2023-6377
7.8
2%
Dec 13
A flaw was found in xorg-server
Affected: All versions, or not specified
CVE-2023-6478
7.5
2%
Dec 13
A flaw was found in xorg-server
Affected: All versions, or not specified
CVE-2017-7396
7.5
2%
Apr 1
In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server
Affected: 1.7.1
CVE-2017-7394
7.5
2%
Apr 1
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames
Affected: 1.7.1
CVE-2017-7392
7.5
2%
Apr 1
In TigerVNC 1.7.1 (SSecurityVeNCrypt.cxx SSecurityVeNCrypt::SSecurityVeNCrypt), an unauthenticated client can cause a small memory leak in the server
Affected: 1.7.1
CVE-2016-10207
7.5
3%
Feb 28
The Xvnc server in TigerVNC allows remote attackers to cause a denial of service (invalid memory access and crash) by terminating a TLS handshake early
Affected: 0.0.90; 0.0.91; 1.0; 1.0.1; 1.1.0; 1.3; +2 more
CVE-2019-15695
7.2
4%
Dec 26
TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor
Affected: before 1.10.1
CVE-2019-15694
7.2
4%
Dec 26
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect
Affected: before 1.10.1
CVE-2019-15693
7.2
4%
Dec 26
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient
Affected: before 1.10.1
CVE-2019-15692
7.2
5%
Dec 26
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow
Affected: before 1.10.1
CVE-2019-15691
7.2
5%
Dec 26
TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder
Affected: before 1.10.1
CVE-2017-7395
6.5
1%
Apr 1
In TigerVNC 1.7.1 (SMsgReader.cxx SMsgReader::readClientCutText), by causing an integer overflow, an authenticated client can crash the server
Affected: 1.7.1
CVE-2024-0408
5.5
0%
Jan 18
A flaw was found in the X.Org server
Affected: before 1.13.1
CVE-2014-8240
–
4%
Oct 16
Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which…
Affected: 0.0.90; 0.0.91; 1.0.0; 1.0.1; 1.1.0
CVE-2011-1775
–
1%
May 26
The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which…
Affected: 1.1
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