Veille CVE
CVE-2026-107614
6.1 MoyenneDescription
An integer underflow in WinCursorShapeUtils::trimTransparent() in GlavSoft TightVNC Server for Windows before 2.8.88 allows a local authenticated user to crash the server, and potentially read out-of-bounds memory, by causing a cursor shape with a width or height of zero to be processed on the DXGI capture path. The loop bound width - 1 wraps to 0xFFFFFFFF, producing an access roughly 4 GB beyond the 64 KB cursor buffer; a monochrome cursor of height 1 also becomes 0 because getCursorHeight() halves the height in place.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 6.1 Moyenne | 33c584b5-0579-4c06-b2a0-8d8329fcab9c | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |