From: Tsuda kageyu <tsuda.kageyu@gmail.com>
Date: Sat, 20 Apr 2013 00:28:19 +0000 (+0900)
Subject: Fix reading corrupted ID3v2 syncdata
X-Git-Tag: v1.9~55^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8a7d1dd796dd909c826f8bf1aca0c1402b47f34a;p=taglib

Fix reading corrupted ID3v2 syncdata
---

diff --git a/taglib/mpeg/id3v2/id3v2synchdata.cpp b/taglib/mpeg/id3v2/id3v2synchdata.cpp
index 60698d3c..4acfd914 100644
--- a/taglib/mpeg/id3v2/id3v2synchdata.cpp
+++ b/taglib/mpeg/id3v2/id3v2synchdata.cpp
@@ -49,7 +49,14 @@ TagLib::uint SynchData::toUInt(const ByteVector &data)
     // Invalid data; assume this was created by some buggy software that just
     // put normal integers here rather than syncsafe ones, and try it that
     // way.
-    sum = data.toUInt();
+    if(data.size() >= 4) {
+      sum = data.toUInt(0, true);
+    }
+    else {
+      ByteVector tmp(data);
+      tmp.resize(4);
+      sum = tmp.toUInt(0, true);
+    }
   }
 
   return sum;