diff -up mod_auth_openidc-2.4.10/src/mod_auth_openidc.c.orig mod_auth_openidc-2.4.10/src/mod_auth_openidc.c
--- mod_auth_openidc-2.4.10/src/mod_auth_openidc.c.orig	2024-04-15 17:56:53.022820648 +0200
+++ mod_auth_openidc-2.4.10/src/mod_auth_openidc.c	2024-04-15 17:57:23.325867066 +0200
@@ -175,6 +175,8 @@ void oidc_strip_cookies(request_rec *r)
 		do {
 			while (cookie != NULL && *cookie == OIDC_CHAR_SPACE)
 				cookie++;
+			if (cookie == NULL)
+				break;
 
 			for (i = 0; i < strip->nelts; i++) {
 				name = ((const char**) strip->elts)[i];