CVE-2017-18922
libvncserver: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs. Security Fix(e...
CVE-2017-18922 is fixed in 5 products on 1 platform, first by libvncclient1 0.9.11+dfsg-1ubuntu1.2, released June 30, 2020. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
9.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0226
83rd percentile
LibVNCServer is a C library that enables you to implement VNC server functionality into own programs. Security Fix(es): * libvncserver: websocket decoding buffer overflow (CVE-2017-18922) 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
| 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 | Jun 30, 2020 |
| libvncclient1 · Ubuntu 20.04 LTS (focal) | 0.9.12+dfsg-9ubuntu0.1 | libvncclient1 0.9.12+dfsg-9ubuntu0.1 | Jun 30, 2020 |
| libvncserver · RHEL 8 | 0:0.9.11-15.el8_2.1 | RHSA-2020:3385 | Aug 10, 2020 |
| libvncserver · ol 8 | 0:0.9.11-15.el8_2.1 | ELSA-2020-3385 | Aug 10, 2020 |
| libvncserver-config · Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | libvncserver-config 0.9.11+dfsg-1ubuntu1.2 | Jun 30, 2020 |
| libvncserver-devel · RHEL 8 | 0:0.9.11-15.el8_2.1 | RHSA-2020:3385 | Aug 10, 2020 |
| libvncserver-devel · ol 8 | 0:0.9.11-15.el8_2.1 | ELSA-2020-3385 | Aug 10, 2020 |
| libvncserver1 · Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | libvncserver1 0.9.11+dfsg-1ubuntu1.2 | Jun 30, 2020 |
| libvncserver1 · Ubuntu 20.04 LTS (focal) | 0.9.12+dfsg-9ubuntu0.1 | libvncserver1 0.9.12+dfsg-9ubuntu0.1 | Jun 30, 2020 |