From 86b2fe2e0fabb35980777d25822ecb94207af4d2 Mon Sep 17 00:00:00 2001
From: Jean Christophe DE RYCK <jessiedeer@hotmail.com>
Date: Thu, 9 May 2024 20:12:56 +0100
Subject: [PATCH] Fix issue #874

---
 tsMuxer/matroskaDemuxer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tsMuxer/matroskaDemuxer.cpp b/tsMuxer/matroskaDemuxer.cpp
index 0c2efb6d..e5378588 100644
--- a/tsMuxer/matroskaDemuxer.cpp
+++ b/tsMuxer/matroskaDemuxer.cpp
@@ -576,7 +576,7 @@ int MatroskaDemuxer::matroska_parse_block(uint8_t *data, int size, const int64_t
         case 0x3: /* EBML lacing */
         {
             n = matroska_ebmlnum_uint(data, size, &num);
-            if (n < 0 || n >= laces)
+            if (n < 0 || n > laces)
             {
                 LTRACE(LT_INFO, 0, "EBML block data error");
                 break;