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-rw-r--r--core/fxcodec/codec/fx_codec_tiff.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/core/fxcodec/codec/fx_codec_tiff.cpp b/core/fxcodec/codec/fx_codec_tiff.cpp
index be9c7d447f..cf38d71b37 100644
--- a/core/fxcodec/codec/fx_codec_tiff.cpp
+++ b/core/fxcodec/codec/fx_codec_tiff.cpp
@@ -267,8 +267,13 @@ bool CCodec_TiffContext::LoadFrameInfo(int32_t frame,
Tiff_Exif_GetStringInfo(m_tif_ctx, TIFFTAG_MAKE, pAttribute);
Tiff_Exif_GetStringInfo(m_tif_ctx, TIFFTAG_MODEL, pAttribute);
}
- *width = pdfium::base::checked_cast<int32_t>(tif_width);
- *height = pdfium::base::checked_cast<int32_t>(tif_height);
+ pdfium::base::CheckedNumeric<int32_t> checked_width = tif_width;
+ pdfium::base::CheckedNumeric<int32_t> checked_height = tif_height;
+ if (!checked_width.IsValid() || !checked_height.IsValid())
+ return false;
+
+ *width = checked_width.ValueOrDie();
+ *height = checked_height.ValueOrDie();
*comps = tif_comps;
*bpc = tif_bpc;
if (tif_rps > tif_height) {