new file mode 100644
@@ -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);
@@ -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"