pdf checker bug

20b781cb · Oleg Korshul · e7bbbec0 · 20b781cb
Commit 20b781cb authored Dec 06, 2017 by Oleg Korshul
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Common/OfficeFileFormatChecker2.cpp Common/OfficeFileFormatChecker2.cpp +3 -0

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--- a/Common/OfficeFileFormatChecker2.cpp
+++ b/Common/OfficeFileFormatChecker2.cpp
@@ -118,6 +118,9 @@ 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 );