add missing echX NULL check

2025-03-10 11:11:27 -04:00
parent 9b65bc22f1
commit c48b4f2d86
1 changed files with 3 additions and 1 deletions
--- a/src/tls.c
+++ b/src/tls.c
@ -15255,7 +15255,9 @@ static int TLSX_WriteWithEch(WOLFSSL* ssl, byte* output, byte* semaphore,
    }

    /* only write if have a shot at acceptance */
-    if (ssl->options.echAccepted || ((WOLFSSL_ECH*)echX->data)->innerCount == 0) {
+    if (echX != NULL &&
+        (ssl->options.echAccepted ||
+        ((WOLFSSL_ECH*)echX->data)->innerCount == 0)) {
        if (echX != NULL) {
            /* turn off and write it last */
            TURN_OFF(semaphore, TLSX_ToSemaphore(echX->type));