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ExifReader::getFormat : check buffer length before accessing, fixes 6059

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This commit is contained in:
Maksim Shabunin 2016-02-08 17:11:35 +03:00
parent f9f5313670
commit 112aa49104
1 changed files with 4 additions and 1 deletions
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5
modules/imgcodecs/src/jpeg_exif.cpp
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@ -245,7 +245,10 @@ void ExifReader::parseExif()
*/
Endianess_t ExifReader::getFormat() const
{
if( m_data[0] != m_data[1] )
if (m_data.size() < 1)
return NONE;
if( m_data.size() > 1 && m_data[0] != m_data[1] )
{
return NONE;
}