File curl-CVE-2018-0500.patch of Package curl.17565

@@ -, +, @@ 
---
 lib/smtp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/lib/smtp.c	
+++ a/lib/smtp.c	
@@ -1561,17 +1561,18 @@ CURLcode Curl_smtp_escape_eob(struct connectdata *conn, const ssize_t nread)
 
   /* Do we need to allocate a scratch buffer? */
   if(!scratch || data->set.crlf) {
     oldscratch = scratch;
 
-    scratch = newscratch = malloc(2 * data->set.buffer_size);
+    scratch = newscratch = malloc(2 * UPLOAD_BUFSIZE);
     if(!newscratch) {
       failf(data, "Failed to alloc scratch buffer!");
 
       return CURLE_OUT_OF_MEMORY;
     }
   }
+  DEBUGASSERT(UPLOAD_BUFSIZE >= nread);
 
   /* Have we already sent part of the EOB? */
   eob_sent = smtp->eob;
 
   /* This loop can be improved by some kind of Boyer-Moore style of
--
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