GTiff: do not query TIFFTAG_TRANSFERFUNCTION if m_nBitsPerSample > 24

Fixes #10875
OSGeo · Sep 26, 2024 · ae7e834 · ae7e834
1 parent 5c9f5c4
commit ae7e834
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/frmts/gtiff/gtiffdataset_read.cpp b/frmts/gtiff/gtiffdataset_read.cpp
@@ -4760,7 +4760,8 @@ void GTiffDataset::LoadICCProfile()
     {
         if (TIFFGetField(m_hTIFF, TIFFTAG_WHITEPOINT, &pWP))
         {
-            if (!TIFFGetFieldDefaulted(m_hTIFF, TIFFTAG_TRANSFERFUNCTION, &pTFR,
+            if (m_nBitsPerSample > 24 ||
+                !TIFFGetFieldDefaulted(m_hTIFF, TIFFTAG_TRANSFERFUNCTION, &pTFR,
                                        &pTFG, &pTFB) ||
                 pTFR == nullptr || pTFG == nullptr || pTFB == nullptr)
             {