ghostscript/CVE-2015-3228.patch

12 lines
463 B
Diff

--- base/gsmalloc.c
+++ base/gsmalloc.c
@@ -178,7 +178,7 @@ gs_heap_alloc_bytes(gs_memory_t * mem, uint size, client_name_t cname)
} else {
uint added = size + sizeof(gs_malloc_block_t);
- if (mmem->limit - added < mmem->used)
+ if (added <= size || mmem->limit - added < mmem->used)
set_msg("exceeded limit");
else if ((ptr = (byte *) Memento_label(malloc(added), cname)) == 0)
set_msg("failed");