# RHSA-2020:0920: Security update for 2 packages

RHSA-2020:0920, released March 23, 2020, fixes 2 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-0920
- Platform: Linux
- Released: Mar 23, 2020
- Priority: High (Closes CVE-2019-20788, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:0920

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libvncserver](https://patchblox.com/security/data/product/linux/libvncserver.md) | RHEL 8 | 0:0.9.11-9.el8_1.2 |
| [libvncserver-devel](https://patchblox.com/security/data/product/linux/libvncserver-devel.md) | RHEL 8 | 0:0.9.11-9.el8_1.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-20788](https://patchblox.com/security/data/cve/CVE-2019-20788.md) | High | libvncserver: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.  Security Fix(e... | n/a | 0.0250 |  |
| [CVE-2019-15690](https://patchblox.com/security/data/cve/CVE-2019-15690.md) | High | libvncserver-devel: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.  Security Fix(e... | 9.8 | 0.0077 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo