Merge pull request #55 from ONLYOFFICE/feature/v5.0.7.1

Feature/v5.0.7.1

Merge pull request #55 from ONLYOFFICE/feature/v5.0.7.1
Feature/v5.0.7.1
a0fd1390 · Oleg Korshul · GitHub · 48852bc6 · 20b781cb · a0fd1390
Commit a0fd1390 authored Dec 06, 2017 by Oleg Korshul Committed by GitHub Dec 06, 2017
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Common/OfficeFileFormatChecker2.cpp Common/OfficeFileFormatChecker2.cpp +3 -0

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--- a/Common/OfficeFileFormatChecker2.cpp
+++ b/Common/OfficeFileFormatChecker2.cpp
@@ -122,6 +122,9 @@ bool COfficeFileFormatChecker::isPdfFormatFile	(unsigned char* pBuffer,int dwByt
 	if (pBuffer == NULL) return false;

    int nTempBufferSize = dwBytes < 20 ? dwBytes : 20;
+    if (nTempBufferSize < 1)
+        return false;
+
    char* pTempBuffer = new char[nTempBufferSize];

    memcpy ( pTempBuffer, pBuffer, nTempBufferSize );