1 files changed, 5 insertions, 0 deletions

diff --git a/src/plugins/deb_extractor.c b/src/plugins/deb_extractor.c
index 09a5a8e..b998b36 100644
--- a/src/plugins/deb_extractor.c
+++ b/src/plugins/deb_extractor.c
@@ -223,10 +223,15 @@ processControlTar (const char *data,
 }
 
 #define MAX_CONTROL_SIZE (1024 * 1024)
+#ifndef SIZE_MAX
+#define SIZE_MAX ((size_t)-1)
+#endif
 
 static voidpf
 Emalloc (voidpf opaque, uInt items, uInt size)
 {
+  if (SIZE_MAX / size <= items)
+    return NULL;
   return malloc (size * items);
 }