diff mbox series

[meta-oe,blacksail] libwebsockets: patch CVE-2026-114550

Message ID 20261104211125.2288933-1-peter.marko@siemens.com
State Under Review
Delegated to: Ankur Tyagi
Headers show
Series [meta-oe,blacksail] libwebsockets: patch CVE-2026-114550 | expand

Commit Message

Peter Marko Nov. 4, 2026, 9:11 p.m. UTC 
From: Peter Marko <peter.marko@siemens.com>

Pick patch mentioned in NVD CVE report.

Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
 .../libwebsockets/CVE-2026-114550.patch       | 31 +++++++++++++++++++
 .../libwebsockets/libwebsockets_4.5.8.bb      |  1 +
 2 files changed, 32 insertions(+)
 create mode 100644 meta-oe/recipes-connectivity/libwebsockets/libwebsockets/CVE-2026-114550.patch
diff mbox series

Patch

diff --git a/meta-oe/recipes-connectivity/libwebsockets/libwebsockets/CVE-2026-114550.patch b/meta-oe/recipes-connectivity/libwebsockets/libwebsockets/CVE-2026-114550.patch
new file mode 100644
index 0000000000..e398239bda
--- /dev/null
+++ b/meta-oe/recipes-connectivity/libwebsockets/libwebsockets/CVE-2026-114550.patch
@@ -0,0 +1,31 @@ 
+From c9e8e1834d7f13038c82963086b90e2ee9c5b44c Mon Sep 17 00:00:00 2001
+From: Andy Green <andy@warmcat.com>
+Date: Fri, 17 Jul 2026 05:02:06 +0100
+Subject: [PATCH] ZDI-CAN-31039: enter wrong state
+
+When handling LMQCPP_PUBACK_PROPERTIES_LEN_VBI/COMPLETED
+
+This vulnerability was discovered by:
+Anonymous working with TrendAI Zero Day Initiative
+
+CVE: CVE-2026-114550
+Upstream-Status: Backport [https://github.com/warmcat/libwebsockets/commit/c9e8e1834d7f13038c82963086b90e2ee9c5b44c]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ lib/roles/mqtt/mqtt.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/lib/roles/mqtt/mqtt.c b/lib/roles/mqtt/mqtt.c
+index 85e984015..e743c3812 100644
+--- a/lib/roles/mqtt/mqtt.c
++++ b/lib/roles/mqtt/mqtt.c
+@@ -1238,8 +1238,7 @@ _lws_mqtt_rx_parser(struct lws *wsi, lws_mqtt_parser_t *par,
+ 				 * Otherwise consume the properties before
+ 				 * completing the command
+ 				 */
+-				lws_mqtt_vbi_init(&par->vbit);
+-				par->state = LMQCPP_PUBACK_VH_PKT_ID;
++				par->state = LMQCPP_EAT_PROPERTIES_AND_COMPLETE;
+ 				break;
+ 			default:
+ 				lwsl_notice("%s: puback pr bad vbi\n", __func__);
diff --git a/meta-oe/recipes-connectivity/libwebsockets/libwebsockets_4.5.8.bb b/meta-oe/recipes-connectivity/libwebsockets/libwebsockets_4.5.8.bb
index 0b612c6f4f..424f5633dd 100644
--- a/meta-oe/recipes-connectivity/libwebsockets/libwebsockets_4.5.8.bb
+++ b/meta-oe/recipes-connectivity/libwebsockets/libwebsockets_4.5.8.bb
@@ -12,6 +12,7 @@  SRC_URI = " \
     file://CVE-2026-10650.patch \
     file://CVE-2026-19773.patch \
     file://CVE-2026-78161.patch \
+    file://CVE-2026-114550.patch \
 "
 
 UPSTREAM_CHECK_URI = "https://github.com/warmcat/${BPN}/releases"