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bmp_read_info_header(): reject bmp files with biBitCount == 0 (#983)

This commit is contained in:
Even Rouault 2017-08-14 17:26:58 +02:00
parent afb308b9cc
commit baf0c1ad45
1 changed files with 4 additions and 0 deletions
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4
src/bin/jp2/convertbmp.c
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@ -392,6 +392,10 @@ static OPJ_BOOL bmp_read_info_header(FILE* IN, OPJ_BITMAPINFOHEADER* header)
header->biBitCount = (OPJ_UINT16)getc(IN);
header->biBitCount |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
if (header->biBitCount == 0) {
fprintf(stderr, "Error, invalid biBitCount %d\n", 0);
return OPJ_FALSE;
}
if (header->biSize >= 40U) {
header->biCompression = (OPJ_UINT32)getc(IN);