tigervnc: VNC server can crash when TLS handshake terminates early
Published Feb 28, 2017
7.5
HIGHCVSS 3.0
EPSS 3.18%
Description
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 products
No data.
Configuration 2
No data.
Red Hat Enterprise Linux 6
tigervnc-0:1.1.0-24.el6
Fixed · RHSA-2017:0630
Red Hat Enterprise Linux 7
fltk-0:1.3.4-1.el7
Fixed · RHSA-2017:2000
Red Hat Enterprise Linux 7
tigervnc-0:1.8.0-1.el7
Fixed · RHSA-2017:2000
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | tigervnc-0:1.1.0-24.el6 | Fixed | RHSA-2017:0630 |
| Red Hat Enterprise Linux 7 | fltk-0:1.3.4-1.el7 | Fixed | RHSA-2017:2000 |
| Red Hat Enterprise Linux 7 | tigervnc-0:1.8.0-1.el7 | Fixed | RHSA-2017:2000 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.18% (0.03179) | 87.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.18% (0.03179) | 86.36th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.69% (0.01689) | 80.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.06% (0.04061) | 80.58th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.69% (0.01689) | 80.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.70% (0.00701) | 80.95th | v3 (v2023.03.01) |
| May 31, 2024 | 0.70% (0.00701) | 80.28th | v3 (v2023.03.01) |
| Mar 12, 2024 | 0.62% (0.00620) | 78.33th | v3 (v2023.03.01) |
| Feb 1, 2024 | 0.53% (0.00527) | 74.59th | v3 (v2023.03.01) |
| Dec 20, 2023 | 0.49% (0.00494) | 73.57th | v3 (v2023.03.01) |
| Jun 4, 2023 | 0.44% (0.00441) | 71.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00626) | 75.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00020.html vendor-advisoryx_refsource_SUSEPatchThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0630.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/02/22 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/05/2 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/96012 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2000 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-10207 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1418761 Issue Tracking
- https://bugzilla.suse.com/show_bug.cgi?id=1023012 x_refsource_CONFIRMExploitIssue TrackingThird Party AdvisoryVDB Entry
- https://github.com/TigerVNC/tigervnc/commit/8aa4bc53206c2430bbf0c8f4b642f59a379ee649 x_refsource_CONFIRMPatch
- https://nvd.nist.gov/vuln/detail/CVE-2016-10207
- https://security.gentoo.org/glsa/201801-13 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-10207
Change history (0)
No recorded changes yet.