diff options
-rw-r--r-- | src/WorldStorage/FastNBT.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/WorldStorage/FastNBT.cpp b/src/WorldStorage/FastNBT.cpp index ed8e8bb14..aaef2fdfe 100644 --- a/src/WorldStorage/FastNBT.cpp +++ b/src/WorldStorage/FastNBT.cpp @@ -10,6 +10,13 @@ +/** If a list being loaded has more than this number of items, it's considered corrupted. */ +static const int MAX_LIST_ITEMS = 10000; + + + + + // The number of NBT tags that are reserved when an NBT parsing is started. // You can override this by using a cmdline define #ifndef NBT_RESERVE_SIZE @@ -142,7 +149,7 @@ bool cParsedNBT::ReadList(eTagType a_ChildrenType) NEEDBYTES(4); int Count = GetBEInt(m_Data + m_Pos); m_Pos += 4; - if (Count < 0) + if ((Count < 0) || (Count > MAX_LIST_ITEMS)) { return false; } |