CVE: CVE-2021-40266
Upstream: https://src.fedoraproject.org/rpms/freeimage/raw/rawhide/f/CVE-2021-40266.patch
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
---
diff -rupN a/Source/FreeImage/PluginTIFF.cpp b/Source/FreeImage/PluginTIFF.cpp
--- a/Source/FreeImage/PluginTIFF.cpp
+++ b/Source/FreeImage/PluginTIFF.cpp
@@ -366,6 +366,10 @@ static void
 ReadPalette(TIFF *tiff, uint16 photometric, uint16 bitspersample, FIBITMAP *dib) {
 	RGBQUAD *pal = FreeImage_GetPalette(dib);
 
+	if (!pal) {
+	  return;
+	}
+
 	switch(photometric) {
 		case PHOTOMETRIC_MINISBLACK:	// bitmap and greyscale image types
 		case PHOTOMETRIC_MINISWHITE: