util/mime: skipped chars should be marked consumed

diff --git a/src/util-decode-mime.c b/src/util-decode-mime.c
index 533ae971d774e8f84221a03445f27348d4a55869..f58a701b01e3714465dc0b3c9588f1c866ad86bd 100644 (file)
--- a/src/util-decode-mime.c
+++ b/src/util-decode-mime.c
@@ -1187,6 +1187,9 @@ static uint32_t ProcessBase64Remainder(
     for (uint8_t i = 0; i < state->bvr_len; i++) {
         if (IsBase64Alphabet(state->bvremain[i])) {
             block[cnt++] = state->bvremain[i];
+        } else {
+            /* any invalid char is skipped over but it is consumed by the parser */
+            buf_consumed++;
         }
     }