https://sources.debian.org/data/main/f/freeimage/3.18.0%2Bds2-10/debian/patches/r1877-improved-DDS-plugin-against-malicious-images.patch

Origin: upstream, r1877
Index: Source/FreeImage/PluginDDS.cpp
===================================================================
diff --git a/Source/FreeImage/PluginDDS.cpp b/Source/FreeImage/PluginDDS.cpp
--- a/Source/FreeImage/PluginDDS.cpp	(revision 1876)
+++ b/Source/FreeImage/PluginDDS.cpp	(revision 1877)
@@ -617,7 +617,7 @@
 	// read the file
 	// -------------------------------------------------------------------------
 
-	const int line = CalculateLine(width, bpp);
+	const int line = CalculateLine(width, FreeImage_GetBPP(dib));
 	const int filePitch = ((desc->dwFlags & DDSD_PITCH) == DDSD_PITCH) ? (int)desc->dwPitchOrLinearSize : line;
 	const long delta = (long)filePitch - (long)line;