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

ProductFixed inFixReleased
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