File libsoup-CVE-2025-32913.patch of Package libsoup.42105

diff -urp libsoup-2.68.4.orig/libsoup/soup-message-headers.c libsoup-2.68.4/libsoup/soup-message-headers.c
--- libsoup-2.68.4.orig/libsoup/soup-message-headers.c	2025-05-29 13:11:11.365235172 -0500
+++ libsoup-2.68.4/libsoup/soup-message-headers.c	2025-05-29 13:11:46.003974760 -0500
@@ -1444,10 +1444,15 @@ soup_message_headers_get_content_disposi
 	 */
 	if (params && g_hash_table_lookup_extended (*params, "filename",
 						    &orig_key, &orig_value)) {
-		char *filename = strrchr (orig_value, '/');
+                if (orig_value) {
+                        char *filename = strrchr (orig_value, '/');
 
-		if (filename)
-			g_hash_table_insert (*params, g_strdup (orig_key), filename + 1);
+                        if (filename)
+                                g_hash_table_insert (*params, g_strdup (orig_key), g_strdup (filename + 1));
+                } else {
+                        /* filename with no value isn't valid. */
+                        g_hash_table_remove (*params, "filename");
+                }
 	}
 	return TRUE;
 }
diff -urp libsoup-2.68.4.orig/tests/header-parsing-test.c libsoup-2.68.4/tests/header-parsing-test.c
--- libsoup-2.68.4.orig/tests/header-parsing-test.c	2025-05-29 13:09:10.577487766 -0500
+++ libsoup-2.68.4/tests/header-parsing-test.c	2025-05-29 13:12:45.884474806 -0500
@@ -1026,6 +1026,7 @@ do_param_list_tests (void)
 #define RFC5987_TEST_HEADER_UTF8     "attachment; filename*=UTF-8''t%C3%A9st.txt; filename=\"test.txt\""
 #define RFC5987_TEST_HEADER_ISO      "attachment; filename=\"test.txt\"; filename*=iso-8859-1''t%E9st.txt"
 #define RFC5987_TEST_HEADER_FALLBACK "attachment; filename*=Unknown''t%FF%FF%FFst.txt; filename=\"test.txt\""
+#define RFC5987_TEST_HEADER_EMPTY_FILENAME ";filename"
 
 static void
 do_content_disposition_tests (void)
@@ -1095,6 +1096,20 @@ do_content_disposition_tests (void)
 	g_assert_cmpstr (filename, ==, RFC5987_TEST_FALLBACK_FILENAME);
 	g_hash_table_destroy (params);
 
+        /* Empty filename */
+        soup_message_headers_clear (hdrs);
+        soup_message_headers_append (hdrs, "Content-Disposition",
+				     RFC5987_TEST_HEADER_EMPTY_FILENAME);
+	if (!soup_message_headers_get_content_disposition (hdrs,
+							   &disposition,
+							   &params)) {
+		soup_test_assert (FALSE, "empty filename decoding FAILED");
+		return;
+	}
+        g_free (disposition);
+        g_assert_false (g_hash_table_contains (params, "filename"));
+	g_hash_table_destroy (params);
+
 	soup_message_headers_free (hdrs);
 
 	/* Ensure that soup-multipart always quotes filename */