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Fix processing of SunRaster images with negative maplength

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This commit is contained in:
Stefan Cornelius 2015-06-25 00:17:49 +02:00
parent 8298644b85
commit 851f20e40c
1 changed files with 1 additions and 1 deletions
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2
modules/imgcodecs/src/grfmt_sunras.cpp
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@ -96,7 +96,7 @@ bool SunRasterDecoder::readHeader()
(m_encoding == RAS_OLD || m_encoding == RAS_STANDARD ||
(m_type == RAS_BYTE_ENCODED && m_bpp == 8) || m_type == RAS_FORMAT_RGB) &&
((m_maptype == RMT_NONE && m_maplength == 0) ||
(m_maptype == RMT_EQUAL_RGB && m_maplength <= palSize && m_bpp <= 8)))
(m_maptype == RMT_EQUAL_RGB && m_maplength <= palSize && m_maplength > 0 && m_bpp <= 8)))
{
memset( m_palette, 0, sizeof(m_palette));