diff --git a/NEWS b/NEWS
index a6c44c47bc44..2e7adae0d951 100644
--- a/NEWS
+++ b/NEWS
@@ -80,6 +80,13 @@ PHP                                                                        NEWS
   . SessionHandler::validateId() is now implemented, so
     session.use_strict_mode applies to the built-in handler. (Girgias)
 
+- Sodium:
+  . Fixed incorrect parameter name in sodium_add(), sodium_memcmp(), and
+    sodium_compare() length-mismatch error messages. (lacatoire)
+
+- Standard:
+  . Fixed incorrect parameter name in convert_uudecode() warning. (lacatoire)
+
 - Zip:
   . Fixed bug GH-17787 (ZipArchive stream stops reading early when the archive
     is freed while the stream is still open). (Eyüp Can Akman)
diff --git a/ext/session/session.c b/ext/session/session.c
index 6a9f2b355c12..21545ecc01ba 100644
--- a/ext/session/session.c
+++ b/ext/session/session.c
@@ -1482,10 +1482,10 @@ static zend_result php_session_send_cookie(void)
 	php_session_remove_cookie(); /* remove already sent session ID cookie */
 	/* 'replace' must be 0 here, else a previous Set-Cookie
 	   header, probably sent with setcookie() will be replaced! */
-	sapi_add_header_ex(estrndup(ZSTR_VAL(ncookie.s), ZSTR_LEN(ncookie.s)), ZSTR_LEN(ncookie.s), false, false);
+	zend_result result = sapi_add_header_ex(estrndup(ZSTR_VAL(ncookie.s), ZSTR_LEN(ncookie.s)), ZSTR_LEN(ncookie.s), false, false);
 	smart_str_free(&ncookie);
 
-	return SUCCESS;
+	return result;
 }
 
 PHPAPI const ps_module *_php_find_ps_module(const char *name)
diff --git a/ext/session/tests/session_start_cookie_header_rejected.phpt b/ext/session/tests/session_start_cookie_header_rejected.phpt
new file mode 100644
index 000000000000..6c3e3b78a3b5
--- /dev/null
+++ b/ext/session/tests/session_start_cookie_header_rejected.phpt
@@ -0,0 +1,28 @@
+--TEST--
+session_start() when the SAPI rejects the session cookie header
+--INI--
+session.save_handler=files
+session.name=PHPSESSID
+session.gc_probability=0
+--EXTENSIONS--
+session
+--FILE--
+<?php
+
+ob_start();
+
+set_error_handler(function (int $errno, string $errstr): bool {
+    echo "handler: ", $errstr, PHP_EOL;
+    return true;
+});
+
+session_set_cookie_params(['path' => "/\r\nX-Injected: yes"]);
+
+var_dump(session_start());
+var_dump(session_status() === PHP_SESSION_NONE);
+
+?>
+--EXPECT--
+handler: Header may not contain more than a single header, new line detected
+bool(false)
+bool(true)
diff --git a/ext/snmp/config.m4 b/ext/snmp/config.m4
index 22cab40adf3b..62ac5471da7a 100644
--- a/ext/snmp/config.m4
+++ b/ext/snmp/config.m4
@@ -51,6 +51,13 @@ if test "$PHP_SNMP" != "no"; then
     [AC_MSG_FAILURE([SNMP sanity check failed.])],
     [$SNMP_SHARED_LIBADD])
 
+  dnl Check whether netsnmp_init_mib() exists.
+  PHP_CHECK_LIBRARY([$SNMP_LIBNAME], [netsnmp_init_mib],
+    [AC_DEFINE([HAVE_NETSNMP_INIT_MIB], [1],
+      [Define to 1 if the Net-SNMP library has the 'netsnmp_init_mib' function.])],
+    [],
+    [$SNMP_SHARED_LIBADD])
+
   dnl Check whether shutdown_snmp_logging() exists.
   PHP_CHECK_LIBRARY([$SNMP_LIBNAME], [shutdown_snmp_logging],
     [AC_DEFINE([HAVE_SHUTDOWN_SNMP_LOGGING], [1],
diff --git a/ext/snmp/snmp.c b/ext/snmp/snmp.c
index bcca8d44de89..8fac85a236ab 100644
--- a/ext/snmp/snmp.c
+++ b/ext/snmp/snmp.c
@@ -1687,7 +1687,11 @@ PHP_FUNCTION(snmp_init_mib)
 
 	shutdown_mib();
 	netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_MIBDIRS, ZSTR_VAL(mibdirs));
+#ifdef HAVE_NETSNMP_INIT_MIB
+	netsnmp_init_mib();
+#else
 	init_mib();
+#endif
 }
 /* }}} */
 
@@ -2228,7 +2232,11 @@ static PHP_RSHUTDOWN_FUNCTION(snmp)
 	if (mib_needs_reset) {
 		shutdown_mib();
 		netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_MIBDIRS, NULL);
+#ifdef HAVE_NETSNMP_INIT_MIB
+		netsnmp_init_mib();
+#else
 		init_mib();
+#endif
 	}
 
 	return SUCCESS;