fix Meituan-Dianping#526

Crispy-fried-chicken · Aug 26, 2024 · 3c2ef6d · 3c2ef6d
1 parent 41bc5d0
commit 3c2ef6d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Logan/mbedtls/library/x509_create.c b/Logan/mbedtls/library/x509_create.c
@@ -168,6 +168,10 @@ int mbedtls_x509_set_extension( mbedtls_asn1_named_data **head, const char *oid,
 {
     mbedtls_asn1_named_data *cur;
 
+    if (val_len > (SIZE_MAX  - 1)) {
+        return MBEDTLS_ERR_X509_BAD_INPUT_DATA;
+    }
+
     if( ( cur = mbedtls_asn1_store_named_data( head, oid, oid_len,
                                        NULL, val_len + 1 ) ) == NULL )
     {