https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=33580

diff --git a/coders/tiff.c b/coders/tiff.c
index 7ffbc167a35b26e1f73628719423046f5b4b6c5d..8179c244a6232ff2d7a29dc41b2199e830ecdc75 100644 (file)
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -1370,12 +1370,12 @@ RestoreMSCWarning
         (TIFFGetFieldDefaulted(tiff,TIFFTAG_BITSPERSAMPLE,&bits_per_sample) != 1) ||
         (TIFFGetFieldDefaulted(tiff,TIFFTAG_SAMPLEFORMAT,&sample_format) != 1) ||
         (TIFFGetFieldDefaulted(tiff,TIFFTAG_MINSAMPLEVALUE,&min_sample_value) != 1) ||
-        (TIFFGetFieldDefaulted(tiff,TIFFTAG_MAXSAMPLEVALUE,&max_sample_value) != 1) ||
-        (TIFFGetFieldDefaulted(tiff,TIFFTAG_PHOTOMETRIC,&photometric) != 1))
+        (TIFFGetFieldDefaulted(tiff,TIFFTAG_MAXSAMPLEVALUE,&max_sample_value) != 1))
       {
         TIFFClose(tiff);
         ThrowReaderException(CorruptImageError,"ImproperImageHeader");
       }
+    (void) TIFFGetFieldDefaulted(tiff,TIFFTAG_PHOTOMETRIC,&photometric);
     if (sample_format == SAMPLEFORMAT_IEEEFP)
       (void) SetImageProperty(image,"quantum:format","floating-point",
         exception);