From 1a755d898ddc028cc818d0dd9d49d5acff4c44bf Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Sat, 20 Apr 2024 17:59:49 +0200
Subject: [PATCH] [codec,interleaved] fix offset error

---
 libfreerdp/codec/interleaved.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libfreerdp/codec/interleaved.c b/libfreerdp/codec/interleaved.c
index fae572b95..262895d02 100644
--- a/libfreerdp/codec/interleaved.c
+++ b/libfreerdp/codec/interleaved.c
@@ -212,7 +212,7 @@ static UINT ExtractRunLengthRegularFgBg(const BYTE* pbOrderHdr, const BYTE* pbEn
 	runLength = (*pbOrderHdr) & g_MaskRegularRunLength;
 	if (runLength == 0)
 	{
-		if (!buffer_within_range(pbOrderHdr, 1, pbEnd))
+		if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
 		{
 			*advance = 0;
 			return 0;
@@ -282,7 +282,7 @@ static UINT ExtractRunLengthMegaMega(const BYTE* pbOrderHdr, const BYTE* pbEnd,
 	WINPR_ASSERT(pbEnd);
 	WINPR_ASSERT(advance);
 
-	if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
+	if (!buffer_within_range(pbOrderHdr, 3, pbEnd))
 	{
 		*advance = 0;
 		return 0;