From 930e236ea34e5115f41c5532a52529662a6210df Mon Sep 17 00:00:00 2001
From: Christian Grothoff <grothoff@gnunet.org>
Date: Wed, 8 Jul 2026 11:34:32 +0200
Subject: [PATCH] fix OOM handling

---
 src/microhttpd/digestauth.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/microhttpd/digestauth.c b/src/microhttpd/digestauth.c
index 87ea044c..1c6e4e39 100644
--- a/src/microhttpd/digestauth.c
+++ b/src/microhttpd/digestauth.c
@@ -1378,6 +1378,8 @@ MHD_digest_auth_get_username3 (struct MHD_Connection *connection)
   uname_info = (struct MHD_DigestAuthUsernameInfo *)
                MHD_calloc_ (1, (sizeof(struct MHD_DigestAuthUsernameInfo))
                             + unif_buf_size);
+  if (NULL == uname_info)
+    return NULL;
   unif_buf_ptr = (uint8_t *) (uname_info + 1);
   unif_buf_used = get_rq_uname (params, uname_type, uname_info, unif_buf_ptr,
                                 unif_buf_size);