# CVE-2020-26117: tigervnc: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment...

CVE-2020-26117 is fixed in 12 products on 1 platform, first by tigervnc-common 1.10.1+dfsg-3ubuntu0.1+esm2, released September 26, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-26117
- Priority: High
- CVSS: 8.1 (Moderate)
- EPSS: 0.0306
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 26, 2020

## Description

Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.  The following packages have been upgraded to a later upstream version: tigervnc (1.11.0). (BZ#1880985)  Security Fix(es):  * tigervnc: certificate exceptions stored as authorities (CVE-2020-26117)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | tigervnc RHEL 8 | 0:1.11.0-6.el8 | [RHSA-2021:1783](https://patchblox.com/security/data/fix/linux/rhsa-2021-1783.md) | May 18, 2021 |
| Linux | tigervnc ol 8 | 0:1.11.0-6.el8 | [ELSA-2021-1783](https://patchblox.com/security/data/fix/linux/elsa-2021-1783.md) | May 25, 2021 |
| Linux | tigervnc-common Ubuntu 20.04 LTS (focal) | 1.10.1+dfsg-3ubuntu0.1+esm2 | [tigervnc-common 1.10.1+dfsg-3ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tigervnc-common-1.10.1-dfsg-3ubuntu0.1-esm2.md) | Sep 26, 2020 |
| Linux | tigervnc-icons RHEL 8 | 0:1.11.0-6.el8 | [RHSA-2021:1783](https://patchblox.com/security/data/fix/linux/rhsa-2021-1783.md) | May 18, 2021 |
| Linux | tigervnc-icons ol 8 | 0:1.11.0-6.el8 | [ELSA-2021-1783](https://patchblox.com/security/data/fix/linux/elsa-2021-1783.md) | May 25, 2021 |
| Linux | tigervnc-license RHEL 8 | 0:1.11.0-6.el8 | [RHSA-2021:1783](https://patchblox.com/security/data/fix/linux/rhsa-2021-1783.md) | May 18, 2021 |
| Linux | tigervnc-license ol 8 | 0:1.11.0-6.el8 | [ELSA-2021-1783](https://patchblox.com/security/data/fix/linux/elsa-2021-1783.md) | May 25, 2021 |
| Linux | tigervnc-scraping-server Ubuntu 20.04 LTS (focal) | 1.10.1+dfsg-3ubuntu0.1+esm2 | [tigervnc-scraping-server 1.10.1+dfsg-3ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tigervnc-scraping-server-1.10.1-dfsg-3ubuntu0.1-esm2.md) | Sep 26, 2020 |
| Linux | tigervnc-selinux RHEL 8 | 0:1.11.0-6.el8 | [RHSA-2021:1783](https://patchblox.com/security/data/fix/linux/rhsa-2021-1783.md) | May 18, 2021 |
| Linux | tigervnc-selinux ol 8 | 0:1.11.0-6.el8 | [ELSA-2021-1783](https://patchblox.com/security/data/fix/linux/elsa-2021-1783.md) | May 25, 2021 |
| Linux | tigervnc-server RHEL 8 | 0:1.11.0-6.el8 | [RHSA-2021:1783](https://patchblox.com/security/data/fix/linux/rhsa-2021-1783.md) | May 18, 2021 |
| Linux | tigervnc-server ol 8 | 0:1.11.0-6.el8 | [ELSA-2021-1783](https://patchblox.com/security/data/fix/linux/elsa-2021-1783.md) | May 25, 2021 |
| Linux | tigervnc-server-minimal RHEL 8 | 0:1.11.0-6.el8 | [RHSA-2021:1783](https://patchblox.com/security/data/fix/linux/rhsa-2021-1783.md) | May 18, 2021 |
| Linux | tigervnc-server-minimal ol 8 | 0:1.11.0-6.el8 | [ELSA-2021-1783](https://patchblox.com/security/data/fix/linux/elsa-2021-1783.md) | May 25, 2021 |
| Linux | tigervnc-server-module RHEL 8 | 0:1.11.0-6.el8 | [RHSA-2021:1783](https://patchblox.com/security/data/fix/linux/rhsa-2021-1783.md) | May 18, 2021 |
| Linux | tigervnc-server-module ol 8 | 0:1.11.0-6.el8 | [ELSA-2021-1783](https://patchblox.com/security/data/fix/linux/elsa-2021-1783.md) | May 25, 2021 |
| Linux | tigervnc-standalone-server Ubuntu 20.04 LTS (focal) | 1.10.1+dfsg-3ubuntu0.1+esm2 | [tigervnc-standalone-server 1.10.1+dfsg-3ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tigervnc-standalone-server-1.10.1-dfsg-3ubuntu0.1-esm2.md) | Sep 26, 2020 |
| Linux | tigervnc-viewer Ubuntu 20.04 LTS (focal) | 1.10.1+dfsg-3ubuntu0.1+esm2 | [tigervnc-viewer 1.10.1+dfsg-3ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tigervnc-viewer-1.10.1-dfsg-3ubuntu0.1-esm2.md) | Sep 26, 2020 |
| Linux | tigervnc-xorg-extension Ubuntu 20.04 LTS (focal) | 1.10.1+dfsg-3ubuntu0.1+esm2 | [tigervnc-xorg-extension 1.10.1+dfsg-3ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tigervnc-xorg-extension-1.10.1-dfsg-3ubuntu0.1-esm2.md) | Sep 26, 2020 |

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