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Fix bug 60796

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This commit is contained in:
Oleg Korshul
2024-10-08 10:22:32 +03:00
parent 1837a2737e
commit 319610c58d
1 changed files with 4 additions and 4 deletions
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8
MsBinaryFile/DocFile/MemoryStream.cpp
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@ -61,7 +61,7 @@ _UINT64 MemoryStream::ReadUInt64()
{
_UINT64 rdU64 = 0;
if (m_Data)
if (m_Data && (m_Position + 8 <= m_Size))
{
rdU64 = DocFileFormat::FormatUtils::BytesToUInt64(m_Data, m_Position, m_Size);
m_Position += 8;
@ -73,7 +73,7 @@ unsigned short MemoryStream::ReadUInt16()
{
unsigned short rdUShort = 0;
if (m_Data)
if (m_Data && (m_Position + sizeof(unsigned short) <= m_Size))
{
rdUShort = DocFileFormat::FormatUtils::BytesToUInt16 (m_Data, m_Position, m_Size);
m_Position += 2;
@ -93,7 +93,7 @@ short MemoryStream::ReadInt16()
{
short rdShort = 0;
if (m_Data)
if (m_Data && (m_Position + sizeof(short) <= m_Size))
{
rdShort = DocFileFormat::FormatUtils::BytesToInt16 (m_Data, m_Position, m_Size);
m_Position += 2;
@ -106,7 +106,7 @@ int MemoryStream::ReadInt32()
{
int rdInt = 0;
if (m_Data)
if (m_Data && (m_Position + sizeof(int) <= m_Size))
{
rdInt = DocFileFormat::FormatUtils::BytesToInt32 (m_Data, m_Position, m_Size);
m_Position += 4;