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-rw-r--r--program/lib/Roundcube/rcube_imap_generic.php2
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 2690cbd5a..96173d317 100644
--- a/program/lib/Roundcube/rcube_imap_generic.php
+++ b/program/lib/Roundcube/rcube_imap_generic.php
@@ -2636,7 +2636,7 @@ 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);