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.
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Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.
No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| libvncserver_project | libvncserver | 0.9.12 | - |
| canonical | ubuntu_linux | - | - |
| canonical | ubuntu_linux |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
15
Affected Products
26
References
libvncserver_project / libvncserver
| - |
| - |
| canonical | ubuntu_linux | - | - |
| canonical | ubuntu_linux | - | - |
| opensuse | leap | - | - |
| opensuse | leap | - | - |
| fedoraproject | fedora | - | - |
| fedoraproject | fedora | - | - |
| siemens | simatic_itc1500_firmware | 3.0.0.0 - 3.2.1.0 | - |
| siemens | simatic_itc1500_pro_firmware | 3.0.0.0 - 3.2.1.0 | - |
| siemens | simatic_itc1900_firmware | 3.0.0.0 - 3.2.1.0 | - |
| siemens | simatic_itc1900_pro_firmware | 3.0.0.0 - 3.2.1.0 | - |
| siemens | simatic_itc2200_firmware | 3.0.0.0 - 3.2.1.0 | - |
| siemens | simatic_itc2200_pro_firmware | 3.0.0.0 - 3.2.1.0 | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability
Impact