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421f659e20
Details: https://nvd.nist.gov/vuln/detail/CVE-2026-25941 Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com> Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
29 lines
1.3 KiB
Diff
29 lines
1.3 KiB
Diff
From 52f2ae7b2377efc80abb742e452a8565372fd29e Mon Sep 17 00:00:00 2001
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From: Armin Novak <armin.novak@thincast.com>
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Date: Mon, 9 Feb 2026 13:18:51 +0100
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Subject: [PATCH] [channels,rdpgfx] check available stream length
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(cherry picked from commit 2e3b77e28ac6a398897d28ba464dcc5dfab9c9e2)
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CVE: CVE-2026-25941
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Upstream-Status: Backport [https://github.com/FreeRDP/FreeRDP/commit/2e3b77e28ac6a398897d28ba464dcc5dfab9c9e2]
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Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
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---
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channels/rdpgfx/client/rdpgfx_main.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/channels/rdpgfx/client/rdpgfx_main.c b/channels/rdpgfx/client/rdpgfx_main.c
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index dd59c8b23..c08436b40 100644
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--- a/channels/rdpgfx/client/rdpgfx_main.c
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+++ b/channels/rdpgfx/client/rdpgfx_main.c
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@@ -1371,7 +1371,8 @@ static UINT rdpgfx_recv_wire_to_surface_2_pdu(GENERIC_CHANNEL_CALLBACK* callback
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Stream_Read_UINT8(s, pdu.pixelFormat); /* pixelFormat (1 byte) */
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Stream_Read_UINT32(s, pdu.bitmapDataLength); /* bitmapDataLength (4 bytes) */
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pdu.bitmapData = Stream_Pointer(s);
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- Stream_Seek(s, pdu.bitmapDataLength);
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+ if (!Stream_SafeSeek(s, pdu.bitmapDataLength))
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+ return ERROR_INVALID_DATA;
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DEBUG_RDPGFX(gfx->log,
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"RecvWireToSurface2Pdu: surfaceId: %" PRIu16 " codecId: %s (0x%04" PRIX16 ") "
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