https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1490362

diff --git a/coders/tga.c b/coders/tga.c
index c2d760425dcbca815db82d8aa267ea6818cc2825..781933dfbd0c6bcba96c8af93819069282c63410 100644 (file)
--- a/coders/tga.c
+++ b/coders/tga.c
@@ -315,6 +315,8 @@ static Image *ReadTGAImage(const ImageInfo *image_info,
       /*
         Read TGA raster colormap.
       */
+      if (image->colors < tga_info.colormap_index)
+        image->colors=tga_info.colormap_index;
       if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
         ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
       for (i=0; i < (ssize_t) tga_info.colormap_index; i++)