CVE-2016-10207
CVE-2016-10207 is a high-severity vulnerability in Tigervnc with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Tigervnc
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2016-10207?
- 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.
- How severe is CVE-2016-10207?
- CVE-2016-10207 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-10207 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-10207?
- CVE-2016-10207 primarily affects Tigervnc. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-10207?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-10207 published?
- CVE-2016-10207 was published on 2017-02-28 and last updated on 2026-06-17.
References
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00020.html
- http://rhn.redhat.com/errata/RHSA-2017-0630.html
- http://www.openwall.com/lists/oss-security/2017/02/02/22
- http://www.openwall.com/lists/oss-security/2017/02/05/2
- http://www.securityfocus.com/bid/96012
- https://access.redhat.com/errata/RHSA-2017:2000
- https://bugzilla.suse.com/show_bug.cgi?id=1023012
- https://github.com/TigerVNC/tigervnc/commit/8aa4bc53206c2430bbf0c8f4b642f59a379ee649
- https://security.gentoo.org/glsa/201801-13
Affected products (10)
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:0.0.90:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:0.0.91:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:1.3:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:tigervnc:tigervnc:1.7:*:*:*:*:*:*:*
More vulnerabilities in Tigervnc
- CVE-2014-0011 — Critical (CVSS 9.8): Multiple heap-based buffer overflows in the ZRLE_DECODE function in common/rfb/zrleDecode.h in TigerVNC before 1.3.1,…
- CVE-2017-5581 — Critical (CVSS 9.8): Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to…
- CVE-2014-8241 — Critical (CVSS 9.8): XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging…
- CVE-2017-7393 — High (CVSS 8.8): In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free,…
- CVE-2026-34352 — High (CVSS 8.5): In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or…
- CVE-2020-26117 — High (CVSS 8.1): In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate…
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- CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
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- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.