From c6b2f8bf97b13912c0b32ff4879ea3775df191d2 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sat, 9 Nov 2024 12:00:23 +0100
Subject: [PATCH] rmdemux: check PROP chunk tag

---
 nihav-realmedia/src/demuxers/realmedia.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nihav-realmedia/src/demuxers/realmedia.rs b/nihav-realmedia/src/demuxers/realmedia.rs
index 2978260..15738b5 100644
--- a/nihav-realmedia/src/demuxers/realmedia.rs
+++ b/nihav-realmedia/src/demuxers/realmedia.rs
@@ -1009,6 +1009,7 @@ impl<'a> RealMediaDemuxer<'a> {
         }
 
         let (id, size, ver) = read_chunk(self.src)?;
+        validate!(id == mktag!(b"PROP"));
         let prop_size = if ver == 0 { RMVB_PROP_SIZE } else { RMVB_PROP_SIZE + 4 };
         validate!(size >= prop_size);
         validate!((ver == 0) || (ver == 2));
-- 
2.39.5