diff --git a/NEWS b/NEWS
index 505a8e27e04..fb2b0885462 100644
--- a/NEWS
+++ b/NEWS
@@ -32,6 +32,8 @@
 - Added SplObjectStorage::getHash() hook. (Etienne)
 - Added JsonSerializable interface (Sara)
 - Added support for storing upload progress feedback in session data. (Arnaud)
+- Added support for CURLOPT_MAX_RECV_SPEED_LARGE and CURLOPT_MAX_SEND_SPEED_LARGE.
+  FR #51815. (Pierrick)
 
 - default_charset if not specified is now UTF-8 instead of ISO-8859-1. (Rasmus)
 
diff --git a/ext/curl/interface.c b/ext/curl/interface.c
index cf8a3892b94..edb4a30c877 100644
--- a/ext/curl/interface.c
+++ b/ext/curl/interface.c
@@ -579,6 +579,11 @@ PHP_MINIT_FUNCTION(curl)
 	REGISTER_CURL_CONSTANT(CURL_TIMECOND_IFUNMODSINCE);
 	REGISTER_CURL_CONSTANT(CURL_TIMECOND_LASTMOD);
 
+#if LIBCURL_VERSION_NUM > 0x070f04 /* CURLOPT_MAX_RECV_SPEED_LARGE & CURLOPT_MAX_SEND_SPEED_LARGE  are available since curl 7.15.5 */
+	REGISTER_CURL_CONSTANT(CURLOPT_MAX_RECV_SPEED_LARGE);
+	REGISTER_CURL_CONSTANT(CURLOPT_MAX_SEND_SPEED_LARGE);
+#endif 
+
 #if LIBCURL_VERSION_NUM > 0x070a05 /* CURLOPT_HTTPAUTH is available since curl 7.10.6 */
 	REGISTER_CURL_CONSTANT(CURLOPT_HTTPAUTH);
 	/* http authentication options */
@@ -1672,6 +1677,13 @@ static int _php_curl_setopt(php_curl *ch, long option, zval **zvalue, zval *retu
 #endif
 			error = curl_easy_setopt(ch->cp, option, Z_LVAL_PP(zvalue));
 			break;
+#if LIBCURL_VERSION_NUM > 0x070f04
+		case CURLOPT_MAX_RECV_SPEED_LARGE:
+		case CURLOPT_MAX_SEND_SPEED_LARGE:
+			convert_to_long_ex(zvalue);
+			error = curl_easy_setopt(ch->cp, option, (curl_off_t)Z_LVAL_PP(zvalue));
+			break;
+#endif
 		case CURLOPT_FOLLOWLOCATION:
 			convert_to_long_ex(zvalue);
 			if (PG(open_basedir) && *PG(open_basedir)) {