VDB
ALPINE-CVE-2016-9942
ALPINE-CVE-2016-9942
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.
Risk Scores
CVSS v3.0
9.800000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.10 | libvncserver | 0, 0.9.10-r0, 0.9.10-r1 |
| Alpine:v3.5 | libvncserver | 0.9.10-r1, 0, 0.9.10-r0 |
| Alpine:v3.7 | libvncserver | 0.9.10-r1, 0, 0.9.10-r0 |
| Alpine:v3.2 | libvncserver | 0.9.10-r1, 0.9.10-r0, 0 |
| Alpine:v3.9 | libvncserver | 0, 0.9.10-r0, 0 |
| Alpine:v3.3 | libvncserver | 0.9.10-r1, 0.9.10-r0, 0 |
| Alpine:v3.11 | libvncserver | 0.9.10-r0, 0, 0.9.10-r0 |
| Alpine:v3.8 | libvncserver | 0.9.10-r1, 0.9.10-r0, 0 |
| Alpine:v3.4 | libvncserver | 0.9.10-r1, 0.9.10-r0, 0 |
| Alpine:v3.6 | libvncserver | 0, 0.9.10-r1, 0.9.10-r0 |
Timeline
- Dec 31, 2016 CVE Published
- Nov 19, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch