VeraCrypt
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-rw-r--r--src/Mount/Mount.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/Mount/Mount.c b/src/Mount/Mount.c
index c95129f6..ca322280 100644
--- a/src/Mount/Mount.c
+++ b/src/Mount/Mount.c
@@ -5157,7 +5157,14 @@ static BOOL Dismount (HWND hwndDlg, int nDosDriveNo)
WaitCursor ();
if (nDosDriveNo == -2)
+ {
nDosDriveNo = (char) (HIWORD (GetSelectedLong (GetDlgItem (hwndDlg, IDC_DRIVELIST))) - L'A');
+ if (nDosDriveNo < 0 || nDosDriveNo >= 26)
+ {
+ NormalCursor ();
+ return FALSE;
+ }
+ }
if (bCloseDismountedWindows)
{