CVE-2016-10207

The Xvnc server in TigerVNC allows remote attackers to cause a denial of service (invalid memory...

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

3.18%Up 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

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.

Record: CVE-2016-10207
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2016-10207
Updated: 2026-11-02

EUVDEUVD-2016-1392 No score

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.

Record: EUVD-2016-1392
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xv2c-qf7g-w8gj 7.5

The Xvnc server in TigerVNC allows remote attackers to cause a denial of service (invalid memory...

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.

Record: GHSA-xv2c-qf7g-w8gj
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-119
Updated: 2026-11-02

OSV 7.5

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.

Record: CVE-2016-10207
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2016-10207 7.5

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.

Record: DEBIAN-CVE-2016-10207
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

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OSVRHSA-2017:0630 7.5

Red Hat Security Advisory: tigervnc security and bug fix update

Record: RHSA-2017:0630
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVRHSA-2017:2000 7.5

Red Hat Security Advisory: tigervnc and fltk security, bug fix, and enhancement update

Record: RHSA-2017:2000
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-10207 7.5

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.

Record: UBUNTU-CVE-2016-10207
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVSUSE-SU-2017:0519-1 No score

Security update for tigervnc

This update for tigervnc provides the following fixes:

Prevent malicious server from crashing a server via a buffer overflow, a similar flaw as the LibVNCServer issues CVE-2016-9941 and CVE-2016-9942.. (bsc#1019274)
CVE-2016-10207: Prevent potential crash due to insufficient clean-up after failure to establish TLS connection. (bsc#1023012)

Record: SUSE-SU-2017:0519-1
Updated: 2026-11-02

OSVSUSE-SU-2017:0622-1 No score

Security update for tigervnc

This update for tigervnc provides the following fixes:

Prevent malicious server from crashing a server via a buffer overflow, a similar flaw as the LibVNCServer issues CVE-2016-9941 and CVE-2016-9942. (bsc#1019274)
CVE-2016-10207: Prevent potential crash due to insufficient clean-up after failure to establish TLS connection. (bsc#1023012)

Record: SUSE-SU-2017:0622-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`tigervnc` Debian:12	before 1.7.0-1	1.7.0-1
`tigervnc` Debian:13	before 1.7.0-1	1.7.0-1
`tigervnc` Debian:14	before 1.7.0-1	1.7.0-1
`tigervnc-debuginfo` Red Hat:enterprise_linux:6::client	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-applet` Red Hat:enterprise_linux:6::client	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-module` Red Hat:enterprise_linux:6::client	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc` Red Hat:enterprise_linux:6::client	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server` Red Hat:enterprise_linux:6::client	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc` Red Hat:enterprise_linux:6::computenode	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-debuginfo` Red Hat:enterprise_linux:6::computenode	before 0:1.1.0-24.el6	0:1.1.0-24.el6

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Affected packages
Package	Affected	Fixed
`tigervnc-server` Red Hat:enterprise_linux:6::computenode	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-applet` Red Hat:enterprise_linux:6::computenode	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-module` Red Hat:enterprise_linux:6::computenode	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-debuginfo` Red Hat:enterprise_linux:6::server	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-applet` Red Hat:enterprise_linux:6::server	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-module` Red Hat:enterprise_linux:6::server	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc` Red Hat:enterprise_linux:6::server	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server` Red Hat:enterprise_linux:6::server	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-debuginfo` Red Hat:enterprise_linux:6::workstation	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-applet` Red Hat:enterprise_linux:6::workstation	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server-module` Red Hat:enterprise_linux:6::workstation	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc` Red Hat:enterprise_linux:6::workstation	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`tigervnc-server` Red Hat:enterprise_linux:6::workstation	before 0:1.1.0-24.el6	0:1.1.0-24.el6
`fltk-debuginfo` Red Hat:enterprise_linux:7::client	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-devel` Red Hat:enterprise_linux:7::client	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-fluid` Red Hat:enterprise_linux:7::client	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-static` Red Hat:enterprise_linux:7::client	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`tigervnc-debuginfo` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-applet` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-module` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`fltk` Red Hat:enterprise_linux:7::client	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`tigervnc` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-icons` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-license` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-minimal` Red Hat:enterprise_linux:7::client	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`fltk` Red Hat:enterprise_linux:7::computenode	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-debuginfo` Red Hat:enterprise_linux:7::computenode	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-devel` Red Hat:enterprise_linux:7::computenode	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-fluid` Red Hat:enterprise_linux:7::computenode	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-static` Red Hat:enterprise_linux:7::computenode	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`tigervnc` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-debuginfo` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-icons` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-applet` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-module` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-license` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-minimal` Red Hat:enterprise_linux:7::computenode	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`fltk-debuginfo` Red Hat:enterprise_linux:7::server	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-devel` Red Hat:enterprise_linux:7::server	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-fluid` Red Hat:enterprise_linux:7::server	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-static` Red Hat:enterprise_linux:7::server	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`tigervnc-debuginfo` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-applet` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-module` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`fltk` Red Hat:enterprise_linux:7::server	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`tigervnc` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-icons` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-license` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-minimal` Red Hat:enterprise_linux:7::server	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`fltk-debuginfo` Red Hat:enterprise_linux:7::workstation	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-devel` Red Hat:enterprise_linux:7::workstation	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-fluid` Red Hat:enterprise_linux:7::workstation	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`fltk-static` Red Hat:enterprise_linux:7::workstation	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`tigervnc-debuginfo` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-applet` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-module` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`fltk` Red Hat:enterprise_linux:7::workstation	before 0:1.3.4-1.el7	0:1.3.4-1.el7
`tigervnc` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-icons` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-license` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc-server-minimal` Red Hat:enterprise_linux:7::workstation	before 0:1.8.0-1.el7	0:1.8.0-1.el7
`tigervnc` SUSE:Linux Enterprise Desktop 12 SP1	before 1.4.3-19.1	1.4.3-19.1
`tigervnc` SUSE:Linux Enterprise Server 12 SP1	before 1.4.3-19.1	1.4.3-19.1
`tigervnc` SUSE:Linux Enterprise Server for SAP Applications 12 SP1	before 1.4.3-19.1	1.4.3-19.1
`tigervnc` SUSE:Linux Enterprise Desktop 12 SP2	before 1.6.0-16.4	1.6.0-16.4
`tigervnc` SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2	before 1.6.0-16.4	1.6.0-16.4
`tigervnc` SUSE:Linux Enterprise Server 12 SP2	before 1.6.0-16.4	1.6.0-16.4
`tigervnc` SUSE:Linux Enterprise Server for SAP Applications 12 SP2	before 1.6.0-16.4	1.6.0-16.4

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-10207 is a high vulnerability (CVSS 7.5) in Tigervnc, published February 20, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.18%, the 88th percentile. Fixed in tigervnc 1.7.0-1.

References

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