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-rw-r--r--nx-X11/lib/X11/XKBGetMap.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/nx-X11/lib/X11/XKBGetMap.c b/nx-X11/lib/X11/XKBGetMap.c
index a38907671..440cc818d 100644
--- a/nx-X11/lib/X11/XKBGetMap.c
+++ b/nx-X11/lib/X11/XKBGetMap.c
@@ -152,9 +152,12 @@ XkbClientMapPtr map;
map= xkb->map;
if (map->key_sym_map==NULL) {
register int offset;
+ int size = xkb->max_key_code + 1;
XkbSymMapPtr oldMap;
xkbSymMapWireDesc *newMap;
- map->key_sym_map= _XkbTypedCalloc((xkb->max_key_code+1),XkbSymMapRec);
+ if (((unsigned short)rep->firstKeySym + rep->nKeySyms) > size)
+ return BadLength;
+ map->key_sym_map= _XkbTypedCalloc(size,XkbSymMapRec);
if (map->key_sym_map==NULL)
return BadAlloc;
if (map->syms==NULL) {
@@ -210,6 +213,8 @@ XkbClientMapPtr map;
KeySym * newSyms;
int tmp;
+ if (((unsigned short)rep->firstKeySym + rep->nKeySyms) > map->num_syms)
+ return BadLength;
oldMap = &map->key_sym_map[rep->firstKeySym];
for (i=0;i<(int)rep->nKeySyms;i++,oldMap++) {
newMap= (xkbSymMapWireDesc *)