unbound: patch CVE-2026-78227

Details:
https://nvd.nist.gov/vuln/detail/cve-2026-78227

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>

meta-networking/recipes-support/unbound/unbound/CVE-2026-78227.patch

@@ -0,0 +1,30 @@
+From 1bec118f61aaf13cc5d1dfbaf1d45e0af8986901 Mon Sep 17 00:00:00 2001
+From: "W.C.A. Wijngaards" <wouter@nlnetlabs.nl>
+Date: Wed, 16 Sep 2026 09:25:05 +0200
+Subject: [PATCH] - Fix CVE-2026-78227, Use-after-free in DoQ stream output
+ buffer on   reset re-transmission. Thanks to Yuqi Qiu and Xiang Li from
+ Nankai   University, AOSP Lab for the report.
+
+(cherry picked from commit 7914901915dd46817e7ae9877776d6fb6fc2060e)
+
+CVE: CVE-2026-78227
+Upstream-Status: Backport [https://github.com/NLnetLabs/unbound/commit/7914901915dd46817e7ae9877776d6fb6fc2060e]
+
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ services/listen_dnsport.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/services/listen_dnsport.c b/services/listen_dnsport.c
+index 9b6fb557c..f748070f8 100644
+--- a/services/listen_dnsport.c
++++ b/services/listen_dnsport.c
+@@ -4477,7 +4477,7 @@ doq_stream_reset_cb(ngtcp2_conn* ATTR_UNUSED(conn), int64_t stream_id,
+ 			"unknown stream %d", (int)stream_id);
+ 		return 0;
+ 	}
+-	if(!doq_stream_close(doq_conn, stream, 0))
++	if(!doq_stream_close(doq_conn, stream, 1))
+ 		return NGTCP2_ERR_CALLBACK_FAILURE;
+ 	return 0;
+ }

meta-networking/recipes-support/unbound/unbound_1.24.2.bb

@@ -45,6 +45,7 @@ SRC_URI = "git://github.com/NLnetLabs/unbound.git;protocol=https;branch=master;t
            file://CVE-2026-56444.patch \
            file://CVE-2026-80225.patch \
            file://CVE-2026-81642.patch \
+           file://CVE-2026-78227.patch \
            "
 
 SRCREV = "f6269baa605d31859f28770e01a24e3677e5f82c"