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-rw-r--r--nx-X11/lib/X11/XKBGetMap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/XKBGetMap.c b/nx-X11/lib/X11/XKBGetMap.c
index 5705f2649..ea2e6b512 100644
--- a/nx-X11/lib/X11/XKBGetMap.c
+++ b/nx-X11/lib/X11/XKBGetMap.c
@@ -426,6 +426,9 @@ xkbVModMapWireDesc * wire;
XkbServerMapPtr srv;
if ( rep->totalVModMapKeys>0 ) {
+ if (((int) rep->firstVModMapKey + rep->nVModMapKeys)
+ > xkb->max_key_code)
+ return BadLength;
if (((xkb->server==NULL)||(xkb->server->vmodmap==NULL))&&
(XkbAllocServerMap(xkb,XkbVirtualModMapMask,0)!=Success)) {
return BadAlloc;