commit adefba1b03089ce10293892b432f5154b4f5e543
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Mon Oct 16 21:03:43 2017 -0500
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Mon Oct 16 21:03:43 2017 -0500
tree a236dbb63f74107a9d68716b8f839e0b369daa7e
parent 48a2460393c634db373caad3f48f417ee64d15a8

[libpng16] Free tRNS chunk data when abandoning it

pngset.c

diff --git a/pngset.c b/pngset.c
index d6b5403..750fc2c 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1038,6 +1038,7 @@
           {
             png_warning(png_ptr,
                 "tRNS chunk has out-of-range samples for bit_depth");
+            png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0);
             return;
           }
       }