small change

2025-12-07 16:29:51 +03:00 · 2020-05-26 11:42:28 +02:00
parent 91f8afd3b1
commit 55c60365f6
3 changed files with 3 additions and 2 deletions
--- a/src/telegram.cpp
+++ b/src/telegram.cpp
@@ -268,7 +268,7 @@ void RxService::add(uint8_t * data, uint8_t length) {
    uint8_t   message_length;

    // work out depending on the type where the data message block starts
-    if (data[2] < 0xF0) {
+    if (data[2] < 0xF0 || length < 6) {
        // EMS 1.0
        type_id        = data[2];
        message_data   = data + 4;   // message block starts at 5th byte