HYL_OK3568_LINUX/yocto/poky/meta/recipes-multimedia/libtiff/tiff/0005-fix-the-FPE-in-tiffcrop-393.patch
2025-05-10 21:49:39 +08:00

34 lines
1.0 KiB
Diff

From e56d66a033b533f26872a20cb2052473962a0f2e 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)
CVE: CVE-2022-0909
Upstream-Status: Backport
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
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 a6c254f..77da6ea 100644
--- a/libtiff/tif_dir.c
+++ b/libtiff/tif_dir.c
@@ -335,13 +335,13 @@ _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;