void-packages/srcpkgs/p7zip/patches/CVE-2016-2335.patch

18 lines
703 B
Diff

Index: CPP/7zip/Archive/Udf/UdfIn.cpp
===================================================================
--- CPP/7zip/Archive/Udf/UdfIn.cpp.orig
+++ CPP/7zip/Archive/Udf/UdfIn.cpp
@@ -389,7 +389,11 @@ HRESULT CInArchive::ReadFileItem(int vol
return S_FALSE;
CFile &file = Files.Back();
const CLogVol &vol = LogVols[volIndex];
- CPartition &partition = Partitions[vol.PartitionMaps[lad.Location.PartitionRef].PartitionIndex];
+ unsigned partitionRef = lad.Location.PartitionRef;
+
+ if (partitionRef >= vol.PartitionMaps.Size())
+ return S_FALSE;
+ CPartition &partition = Partitions[vol.PartitionMaps[partitionRef].PartitionIndex];
UInt32 key = lad.Location.Pos;
UInt32 value;