diff --git a/meta-networking/recipes-connectivity/wolfssl/files/CVE-2026-55958.patch b/meta-networking/recipes-connectivity/wolfssl/files/CVE-2026-55958.patch
new file mode 100644
index 0000000000..a1f77eb40f
--- /dev/null
+++ b/meta-networking/recipes-connectivity/wolfssl/files/CVE-2026-55958.patch
@@ -0,0 +1,36 @@
+From ea7c289d463c506fe3eb856c5d128b7d0e1799b7 Mon Sep 17 00:00:00 2001
+From: Chris Conlon <chris@wolfssl.com>
+Date: Tue, 16 Jun 2026 13:58:52 -0600
+Subject: [PATCH] Renesas TSIP: skip XMEMCPY on MEMORY_E from
+ tsip_StoreMessage()
+
+(cherry picked from commit 6ebc379f313769ac49a84be0221c626162ffcfab)
+
+CVE: CVE-2026-55958
+Upstream-Status: Backport [https://github.com/wolfSSL/wolfssl/commit/6ebc379f313769ac49a84be0221c626162ffcfab]
+
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ wolfcrypt/src/port/Renesas/renesas_tsip_sha.c | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/wolfcrypt/src/port/Renesas/renesas_tsip_sha.c b/wolfcrypt/src/port/Renesas/renesas_tsip_sha.c
+index 0d5957744..d04072397 100644
+--- a/wolfcrypt/src/port/Renesas/renesas_tsip_sha.c
++++ b/wolfcrypt/src/port/Renesas/renesas_tsip_sha.c
+@@ -203,10 +203,11 @@ WOLFSSL_LOCAL int tsip_StoreMessage(struct WOLFSSL* ssl, const byte* data,
+             WOLFSSL_MSG("Capacity over error in tsip_StoreMessage");
+             ret = MEMORY_E;
+         }
+-
+-        XMEMCPY(bag->buff + bag->buffIdx, data, sz);
+-        bag->msgTypes[bag->msgIdx++] = *data;   /* store message type */
+-        bag->buffIdx += sz;
++        else {
++            XMEMCPY(bag->buff + bag->buffIdx, data, sz);
++            bag->msgTypes[bag->msgIdx++] = *data;   /* store message type */
++            bag->buffIdx += sz;
++        }
+     }
+ 
+     WOLFSSL_LEAVE("tsip_StoreMessage", ret);
diff --git a/meta-networking/recipes-connectivity/wolfssl/wolfssl_5.9.1.bb b/meta-networking/recipes-connectivity/wolfssl/wolfssl_5.9.1.bb
index f69497a80c..e2bb53a646 100644
--- a/meta-networking/recipes-connectivity/wolfssl/wolfssl_5.9.1.bb
+++ b/meta-networking/recipes-connectivity/wolfssl/wolfssl_5.9.1.bb
@@ -18,6 +18,7 @@ SRC_URI = " \
     file://CVE-2026-10098-1.patch \
     file://CVE-2026-10098-2.patch \
     file://CVE-2026-10512.patch \
+    file://CVE-2026-55958.patch \
 "
 
 SRCREV = "1d363f3adceba9d1478230ede476a37b0dcdef24"