From 0eafcb83e044ae48751cf7b9947abbc1be56a28f Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Tue, 23 Jun 2026 14:18:19 +0200
Subject: [PATCH] fix(lwip): tcp/ooseq: do not accept empty fin seg (+ other
 fixes)

* Update submodule: git log --oneline 9d2d8041..c6f2f878
  - test(lwip): add DHCP MTU validation unit test (espressif/esp-lwip@c6f2f878)
  - ppp: fix potential oob read in VJ decompression (espressif/esp-lwip@2ff439e6)
  - ip6-frag: Fix incorrect memcpy size to the actual struct (espressif/esp-lwip@91ad363b)
  - tcp/ooseq: do not accept empty fin seg (espressif/esp-lwip@fe4fb18c)
---
 components/lwip/lwip | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/lwip/lwip b/components/lwip/lwip
index 9d2d804124d..c6f2f878e7b 160000
--- a/components/lwip/lwip
+++ b/components/lwip/lwip
@@ -1 +1 @@
-Subproject commit 9d2d804124d0ada89777cfac83e0df2cfdef117d
+Subproject commit c6f2f878e7b0f86033214b85547d579be43351e3