diff --git a/lib/cpio.c b/lib/cpio.c

index 253ff0f..600633a 100644

--- a/lib/cpio.c

+++ b/lib/cpio.c

@@ -399,6 +399,9 @@ int rpmcpioHeaderRead(rpmcpio_t cpio, char ** path, int * fx)

     GET_NUM_FIELD(hdr.filesize, fsize);

     GET_NUM_FIELD(hdr.namesize, nameSize);

+    if (nameSize <= 0 || nameSize > 4096) {

+	 return RPMERR_BAD_HEADER;

+    }

     char name[nameSize + 1];

     read = Fread(name, nameSize, 1, cpio->fd);