# CVE-2019-15690: libvncserver-devel: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.  Security Fix(e...

CVE-2019-15690 is fixed in 5 products on 1 platform, first by RHSA-2020:0920, released March 23, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-15690
- Priority: High
- CVSS: 9.8 (Important)
- EPSS: 0.0077
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 30, 2019

## Description

LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.  Security Fix(es):  * libvncserver: HandleCursorShape() integer overflow resulting in heap-based buffer overflow (CVE-2019-15690)  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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libvncclient1 Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | [libvncclient1 0.9.11+dfsg-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvncclient1-0.9.11-dfsg-1ubuntu1.2.md) | Jun 30, 2020 |
| Linux | libvncclient1 Ubuntu 20.04 LTS (focal) | 0.9.12+dfsg-9ubuntu0.1 | [libvncclient1 0.9.12+dfsg-9ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libvncclient1-0.9.12-dfsg-9ubuntu0.1.md) | Jun 30, 2020 |
| Linux | libvncserver Debian 12.15 (bookworm) | 0.9.12+dfsg-9 | [DEBIAN-CVE-2019-15690](https://patchblox.com/security/data/fix/linux/debian-cve-2019-15690.md) | Jan 24, 2025 |
| Linux | libvncserver Debian 13.5 (trixie) | 0.9.12+dfsg-9 | [DEBIAN-CVE-2019-15690](https://patchblox.com/security/data/fix/linux/debian-cve-2019-15690.md) | Jan 24, 2025 |
| Linux | libvncserver Debian 14 | 0.9.12+dfsg-9 | [DEBIAN-CVE-2019-15690](https://patchblox.com/security/data/fix/linux/debian-cve-2019-15690.md) | Jan 24, 2025 |
| Linux | libvncserver RHEL 8 | 0:0.9.11-9.el8_1.2 | [RHSA-2020:0920](https://patchblox.com/security/data/fix/linux/rhsa-2020-0920.md) | Mar 23, 2020 |
| Linux | libvncserver ol 8 | 0:0.9.11-9.el8_1.2 | [ELSA-2020-0920](https://patchblox.com/security/data/fix/linux/elsa-2020-0920.md) | Mar 23, 2020 |
| Linux | libvncserver-config Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | [libvncserver-config 0.9.11+dfsg-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvncserver-config-0.9.11-dfsg-1ubuntu1.2.md) | Jun 30, 2020 |
| Linux | libvncserver-devel RHEL 8 | 0:0.9.11-9.el8_1.2 | [RHSA-2020:0920](https://patchblox.com/security/data/fix/linux/rhsa-2020-0920.md) | Mar 23, 2020 |
| Linux | libvncserver-devel ol 8 | 0:0.9.11-9.el8_1.2 | [ELSA-2020-0920](https://patchblox.com/security/data/fix/linux/elsa-2020-0920.md) | Mar 23, 2020 |
| Linux | libvncserver1 Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | [libvncserver1 0.9.11+dfsg-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvncserver1-0.9.11-dfsg-1ubuntu1.2.md) | Jun 30, 2020 |
| Linux | libvncserver1 Ubuntu 20.04 LTS (focal) | 0.9.12+dfsg-9ubuntu0.1 | [libvncserver1 0.9.12+dfsg-9ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libvncserver1-0.9.12-dfsg-9ubuntu0.1.md) | Jun 30, 2020 |

---

Data as of 2026-11-08T00:53:09Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.