diff options
| -rw-r--r-- | nx-X11/lib/X11/XKBGetMap.c | 6 |
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; |