Initialize mbstate in mutt_filter_unprintable. Closes #3134

1 files changed, 1 insertions, 0 deletions

diff --git a/mbyte.c b/mbyte.c
index a9c25a65..bb773cfa 100644
--- a/mbyte.c
+++ b/mbyte.c
@@ -541,6 +541,7 @@ int mutt_filter_unprintable (char **s)
     if (k == (size_t)(-1) || k == (size_t)(-2))
     {
       k = 1;
+      memset (&mbstate1, 0, sizeof (mbstate1));
       wc = replacement_char();
     }
     if (!IsWPrint (wc))