1 files changed, 6 insertions, 2 deletions
diff --git a/src/hashtab.c b/src/hashtab.c
index 7d596ec..f5a71dd 100644
--- a/src/hashtab.c
+++ b/src/hashtab.c
@@ -135,15 +135,17 @@ HashTableGrows(table)
     xpmHashTable *table;
 {
     xpmHashAtom *atomTable = table->atomTable;
-    int size = table->size;
+    unsigned int size = table->size;
     xpmHashAtom *t, *p;
     int i;
-    int oldSize = size;
+    unsigned int oldSize = size;
 
     t = atomTable;
     HASH_TABLE_GROWS
 	table->size = size;
     table->limit = size / 3;
+    if (size >= UINT_MAX / sizeof(*atomTable)) 
+	return (XpmNoMemory);
     atomTable = (xpmHashAtom *) XpmMalloc(size * sizeof(*atomTable));
     if (!atomTable)
 	return (XpmNoMemory);
@@ -204,6 +206,8 @@ xpmHashTableInit(table)
     table->size = INITIAL_HASH_SIZE;
     table->limit = table->size / 3;
     table->used = 0;
+    if (table->size >= UINT_MAX / sizeof(*atomTable))
+	return (XpmNoMemory);
     atomTable = (xpmHashAtom *) XpmMalloc(table->size * sizeof(*atomTable));
     if (!atomTable)
 	return (XpmNoMemory);