Fix out of bounds write

7 years ago · c46521ad65
parent d0f3468477
commit c46521ad65
1 changed files with 1 additions and 1 deletions
--- a/modules/highgui/src/grfmt_bmp.cpp
+++ b/modules/highgui/src/grfmt_bmp.cpp
@ -115,7 +115,7 @@ bool  BmpDecoder::readHeader()
                if( m_bpp <= 8 )
                {
-                    CV_Assert(clrused <= 256);
+                    CV_Assert(clrused >= 0 && clrused <= 256);
                    memset(m_palette, 0, sizeof(m_palette));
                    m_strm.getBytes(m_palette, (clrused == 0? 1<<m_bpp : clrused)*4 );
                    iscolor = IsColorPalette( m_palette, m_bpp );