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-rw-r--r--nx-X11/lib/X11/XKBGetMap.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/nx-X11/lib/X11/XKBGetMap.c b/nx-X11/lib/X11/XKBGetMap.c
index 8f99625b0..79fa315cd 100644
--- a/nx-X11/lib/X11/XKBGetMap.c
+++ b/nx-X11/lib/X11/XKBGetMap.c
@@ -306,8 +306,10 @@ register int i;
xkbBehaviorWireDesc *wire;
if ( rep->totalKeyBehaviors>0 ) {
+ int size = xkb->max_key_code + 1;
+ if ( ((int) rep->firstKeyBehavior + rep->nKeyBehaviors) > size)
+ return BadLength;
if ( xkb->server->behaviors == NULL ) {
- int size = xkb->max_key_code+1;
xkb->server->behaviors = _XkbTypedCalloc(size,XkbBehavior);
if (xkb->server->behaviors==NULL)
return BadAlloc;
@@ -319,7 +321,7 @@ xkbBehaviorWireDesc *wire;
for (i=0;i<rep->totalKeyBehaviors;i++) {
wire= (xkbBehaviorWireDesc *)_XkbGetReadBufferPtr(buf,
SIZEOF(xkbBehaviorWireDesc));
- if (wire==NULL)
+ if (wire==NULL || wire->key >= size)
return BadLength;
xkb->server->behaviors[wire->key].type= wire->type;
xkb->server->behaviors[wire->key].data= wire->data;