new file mode 100644
@@ -0,0 +1,30 @@
+From e4bfcb3197787e7af4246366b643c16de99f56a2 Mon Sep 17 00:00:00 2001
+From: Armin Novak <armin.novak@thincast.com>
+Date: Sat, 28 Feb 2026 11:38:55 +0100
+Subject: [PATCH] [cache,bitmap] overallocate bitmap cache
+
+(cherry picked from commit ffad58fd2b329efd81a3239e9d7e3c927b8e503f)
+
+CVE: CVE-2026-29775
+Upstream-Status: Backport [https://github.com/FreeRDP/FreeRDP/commit/ffad58fd2b329efd81a3239e9d7e3c927b8e503f]
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ libfreerdp/cache/bitmap.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/libfreerdp/cache/bitmap.c b/libfreerdp/cache/bitmap.c
+index dd5ae1d71..0d694dd3f 100644
+--- a/libfreerdp/cache/bitmap.c
++++ b/libfreerdp/cache/bitmap.c
+@@ -364,7 +364,10 @@ rdpBitmapCache* bitmap_cache_new(rdpContext* context)
+ const UINT32 BitmapCacheV2NumCells =
+ freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheV2NumCells);
+ bitmapCache->context = context;
+- bitmapCache->cells = (BITMAP_V2_CELL*)calloc(BitmapCacheV2NumCells, sizeof(BITMAP_V2_CELL));
++
++ /* overallocate by 1. older RDP servers do send a off by 1 cache index. */
++ bitmapCache->cells =
++ (BITMAP_V2_CELL*)calloc(BitmapCacheV2NumCells + 1ull, sizeof(BITMAP_V2_CELL));
+
+ if (!bitmapCache->cells)
+ goto fail;
@@ -32,6 +32,7 @@ SRC_URI = "git://github.com/FreeRDP/FreeRDP.git;branch=master;protocol=https \
file://CVE-2026-24682.patch \
file://CVE-2026-24683.patch \
file://CVE-2026-29774.patch \
+ file://CVE-2026-29775.patch \
"
S = "${WORKDIR}/git"