diff -urNp cpio-2.10-orig/lib/rtapelib.c cpio-2.10/lib/rtapelib.c
--- cpio-2.10-orig/lib/rtapelib.c 2010-03-10 14:41:41.000000000 +0100
+++ cpio-2.10/lib/rtapelib.c 2010-03-10 14:44:54.000000000 +0100
@@ -580,6 +580,9 @@ rmt_read__ (int handle, char *buffer, si
|| (status = get_status (handle)) == SAFE_READ_ERROR)
return SAFE_READ_ERROR;
+ if (status > length)
+ return SAFE_READ_ERROR;
+
for (counter = 0; counter < status; counter += rlen, buffer += rlen)
{
rlen = safe_read (READ_SIDE (handle), buffer, status - counter);