Fix handling of base64-encoded attachments with extra spaces (#1490111)

1 files changed, 1 insertions, 1 deletions

diff --git a/program/lib/Roundcube/rcube_imap_generic.php b/program/lib/Roundcube/rcube_imap_generic.php
index 734a9311e..7c1166f5c 100644
--- a/program/lib/Roundcube/rcube_imap_generic.php
+++ b/program/lib/Roundcube/rcube_imap_generic.php
@@ -2675,7 +2675,7 @@ class rcube_imap_generic
 
                     // BASE64
                     if ($mode == 1) {
-                        $line = rtrim($line, "\t\r\n\0\x0B");
+                        $line = preg_replace('|[^a-zA-Z0-9+=/]|', '', $line);
                         // create chunks with proper length for base64 decoding
                         $line = $prev.$line;
                         $length = strlen($line);