From bba25e2ff6c4a193acb54560ea4417537bd2954e Mon Sep 17 00:00:00 2001
From: Yves-Alexis Perez <corsac@corsac.net>
Date: Tue, 30 May 2017 20:59:31 +0200
Subject: New upstream version 5.5.3

---
 src/libstrongswan/utils/chunk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/libstrongswan/utils/chunk.c')

diff --git a/src/libstrongswan/utils/chunk.c b/src/libstrongswan/utils/chunk.c
index 0c50ab788..8f4b7efff 100644
--- a/src/libstrongswan/utils/chunk.c
+++ b/src/libstrongswan/utils/chunk.c
@@ -643,7 +643,7 @@ chunk_t chunk_from_base64(chunk_t base64, char *buf)
 		outlen += 3;
 		for (j = 0; j < 4; j++)
 		{
-			if (*pos == '=')
+			if (*pos == '=' && outlen > 0)
 			{
 				outlen--;
 			}
-- 
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