diff -up libsndfile-1.0.28/src/sndfile.c.fixfree libsndfile-1.0.28/src/sndfile.c

--- libsndfile-1.0.28/src/sndfile.c.fixfree	2018-10-15 14:24:26.521941046 +0200

+++ libsndfile-1.0.28/src/sndfile.c	2018-10-15 14:24:26.534940869 +0200

@@ -339,6 +339,7 @@ sf_open	(const char *path, int mode, SF_

 	if (copy_filename (psf, path) != 0)

 	{	sf_errno = psf->error ;

+		free(psf);

 		return	NULL ;

 		} ;