vulnerability
Red Hat: CVE-2017-18922: CVE-2017-18922 libvncserver: websocket decoding buffer overflow (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Jun 30, 2020 | Aug 4, 2020 | Aug 11, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Jun 30, 2020
Added
Aug 4, 2020
Modified
Aug 11, 2025
Description
It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.
Solutions
redhat-upgrade-libvncserverredhat-upgrade-libvncserver-debuginforedhat-upgrade-libvncserver-debugsourceredhat-upgrade-libvncserver-devel
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.