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Merge pull request 'fix bug #79699' (#632) from fix/bug79699 into release/v9.3.0

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Reviewed-on: https://git.onlyoffice.com/ONLYOFFICE/core/pulls/632
This commit is contained in:
Elena Subbotina
2026-01-30 14:23:23 +00:00
parent 9b3c2291d8 8725be55f0
commit e6522c6ce4
1 changed files with 5 additions and 3 deletions
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8
MsBinaryFile/XlsFile/Format/Logic/Biff_structures/RC4EncryptionHeader.cpp
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@ -77,8 +77,6 @@ void RC4EncryptionHeader::load(XLS::CFRecord& record)
_UINT32 Reserved1; record >> Reserved1;
_UINT32 Reserved2; record >> Reserved2;
int pos = record.getRdPtr();
int size = record.getDataSize();
std::wstring providerName;
record >> providerName;
@ -86,7 +84,11 @@ void RC4EncryptionHeader::load(XLS::CFRecord& record)
//EncryptionVerifier
record >> crypt_data_aes.saltSize;
int pos = record.getRdPtr();
int size = record.getDataSize();
if(pos + crypt_data_aes.saltSize > size)
return;
unsigned char *pDataRead = new unsigned char[crypt_data_aes.saltSize];
memcpy(pDataRead, record.getCurData<unsigned char>(), crypt_data_aes.saltSize);
record.skipNunBytes(crypt_data_aes.saltSize);