From 62bac060ed5ee6d64a71edf6cc627cc184ae87e5 Mon Sep 17 00:00:00 2001
From: Filippo Bigarella
Date: Mon, 31 Oct 2016 02:43:15 +0100
Subject: base64: Prevent buffer overflow by not decoding blocks with less than
 4 chars

---
 src/base64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/base64.c b/src/base64.c
index e59d963..1595bd0 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -118,7 +118,7 @@ unsigned char *base64decode(const char *buf, size_t *size)
 			break;
 		}
 		len = strcspn(ptr, "\r\n\t ");
-		if (len > 0) {
+		if (len > 3) {
 			p+=base64decode_block(outbuf+p, ptr, len);
 			ptr += len;
 		} else {
-- 
cgit v1.1-32-gdbae