From 32ea0722ee68f503b7a3f9b2d557acb293fc8cde Mon Sep 17 00:00:00 2001 From: 4ugustus <wangdw.augustus@qq.com> Date: Tue, 8 Mar 2022 16:22:04 +0000 Subject: [PATCH] fix the FPE in tiffcrop (#393) --- libtiff/tif_dir.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libtiff/tif_dir.c b/libtiff/tif_dir.c index 57055ca9..59b346ca 100644 --- a/libtiff/tif_dir.c +++ b/libtiff/tif_dir.c @@ -333,13 +333,13 @@ _TIFFVSetField(TIFF* tif, uint32_t tag, va_list ap) break; case TIFFTAG_XRESOLUTION: dblval = va_arg(ap, double); - if( dblval < 0 ) + if( dblval != dblval || dblval < 0 ) goto badvaluedouble; td->td_xresolution = _TIFFClampDoubleToFloat( dblval ); break; case TIFFTAG_YRESOLUTION: dblval = va_arg(ap, double); - if( dblval < 0 ) + if( dblval != dblval || dblval < 0 ) goto badvaluedouble; td->td_yresolution = _TIFFClampDoubleToFloat( dblval ); break; -- GitLab