diff --git a/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-33984.patch b/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-33984.patch
new file mode 100644
index 0000000000..0aa5aeba63
--- /dev/null
+++ b/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-33984.patch
@@ -0,0 +1,34 @@
+From d714759fc45ccf9ff179b912dd1714d0b4f2c5bc Mon Sep 17 00:00:00 2001
+From: Armin Novak <armin.novak@thincast.com>
+Date: Wed, 25 Mar 2026 09:48:54 +0100
+Subject: [PATCH] [codec,clear] update CLEAR_VBAR_ENTRY::size after alloc
+
+(cherry picked from commit dc7fdb165095139be779a4000199bc1706b06ad5)
+
+CVE: CVE-2026-33984
+Upstream-Status: Backport [https://github.com/FreeRDP/FreeRDP/commit/dc7fdb165095139be779a4000199bc1706b06ad5]
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ libfreerdp/codec/clear.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libfreerdp/codec/clear.c b/libfreerdp/codec/clear.c
+index 512aeae20..d94536986 100644
+--- a/libfreerdp/codec/clear.c
++++ b/libfreerdp/codec/clear.c
+@@ -553,7 +553,6 @@ static BOOL resize_vbar_entry(CLEAR_CONTEXT* clear, CLEAR_VBAR_ENTRY* vBarEntry)
+ 		const UINT32 oldPos = vBarEntry->size * bpp;
+ 		const UINT32 diffSize = (vBarEntry->count - vBarEntry->size) * bpp;
+ 
+-		vBarEntry->size = vBarEntry->count;
+ 		BYTE* tmp =
+ 		    (BYTE*)winpr_aligned_recalloc(vBarEntry->pixels, vBarEntry->count, 1ull * bpp, 32);
+ 
+@@ -566,6 +565,7 @@ static BOOL resize_vbar_entry(CLEAR_CONTEXT* clear, CLEAR_VBAR_ENTRY* vBarEntry)
+ 
+ 		memset(&tmp[oldPos], 0, diffSize);
+ 		vBarEntry->pixels = tmp;
++		vBarEntry->size = vBarEntry->count;
+ 	}
+ 
+ 	if (!vBarEntry->pixels && vBarEntry->size)
diff --git a/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb b/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb
index a45490e8f5..de752b4376 100644
--- a/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb
+++ b/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb
@@ -36,6 +36,7 @@ SRC_URI = "git://github.com/FreeRDP/FreeRDP.git;branch=master;protocol=https \
            file://CVE-2026-29776.patch \
            file://CVE-2026-31806.patch \
            file://CVE-2026-31897.patch \
+           file://CVE-2026-33984.patch \
            "
 
 S = "${WORKDIR}/git"