8.1
CVE-2026-32853
- EPSS 0.06%
- Veröffentlicht 24.03.2026 17:30:40
- Zuletzt bearbeitet 25.03.2026 20:48:30
- Quelle disclosure@vulncheck.com
- CVE-Watchlists
- Unerledigt
LoginLibVNCServer UltraZip Encoding Heap Out-of-bounds Read
LibVNCServer versions 0.9.15 and prior (fixed in commit 009008e) contain a heap out-of-bounds read vulnerability in the UltraZip encoding handler that allows a malicious VNC server to cause information disclosure or application crash. Attackers can exploit improper bounds checking in the HandleUltraZipBPP() function by manipulating subrectangle header counts to read beyond the allocated heap buffer.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libvncserver Project ≫ Libvncserver Version < 0.9.15
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.06% | 0.182 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 8.1 | 2.8 | 5.2 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
|
| disclosure@vulncheck.com | 6.9 | 0 | 0 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
|
CWE-125 Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.