diff -up shadow-4.1.4.2/lib/groupmem.c.leak shadow-4.1.4.2/lib/groupmem.c
--- shadow-4.1.4.2/lib/groupmem.c.leak	2009-04-23 19:43:27.000000000 +0200
+++ shadow-4.1.4.2/lib/groupmem.c	2009-09-07 15:43:23.314129427 +0200
@@ -51,10 +51,13 @@
 	*gr = *grent;
 	gr->gr_name = strdup (grent->gr_name);
 	if (NULL == gr->gr_name) {
+		free(gr);
 		return NULL;
 	}
 	gr->gr_passwd = strdup (grent->gr_passwd);
 	if (NULL == gr->gr_passwd) {
+		free(gr->gr_name);
+		free(gr);
 		return NULL;
 	}
 
@@ -62,11 +65,21 @@
 
 	gr->gr_mem = (char **) malloc ((i + 1) * sizeof (char *));
 	if (NULL == gr->gr_mem) {
+		free(gr->gr_passwd);
+		free(gr->gr_name);
+		free(gr);
 		return NULL;
 	}
 	for (i = 0; grent->gr_mem[i]; i++) {
 		gr->gr_mem[i] = strdup (grent->gr_mem[i]);
 		if (NULL == gr->gr_mem[i]) {
+                        int j;
+                        for (j=0; j<i; j++)
+                                free(gr->gr_mem[j]);
+                        free(gr->gr_mem);
+                        free(gr->gr_passwd);
+                        free(gr->gr_name);
+                        free(gr);
 			return NULL;
 		}
 	}
diff -up shadow-4.1.4.2/libmisc/copydir.c.leak shadow-4.1.4.2/libmisc/copydir.c
--- shadow-4.1.4.2/libmisc/copydir.c.leak	2009-05-22 12:16:14.000000000 +0200
+++ shadow-4.1.4.2/libmisc/copydir.c	2009-09-07 15:41:49.217192095 +0200
@@ -443,6 +443,7 @@ static char *readlink_malloc (const char
 		nchars = readlink (filename, buffer, size);
 
 		if (nchars < 0) {
+			free(buffer);
 			return NULL;
 		}
 
diff -up shadow-4.1.4.2/lib/pwmem.c.leak shadow-4.1.4.2/lib/pwmem.c
--- shadow-4.1.4.2/lib/pwmem.c.leak	2009-04-23 19:43:27.000000000 +0200
+++ shadow-4.1.4.2/lib/pwmem.c	2009-09-07 15:41:49.218203063 +0200
@@ -51,22 +51,37 @@
 	*pw = *pwent;
 	pw->pw_name = strdup (pwent->pw_name);
 	if (NULL == pw->pw_name) {
+		free(pw);
 		return NULL;
 	}
 	pw->pw_passwd = strdup (pwent->pw_passwd);
 	if (NULL == pw->pw_passwd) {
+		free(pw->pw_name);
+		free(pw);
 		return NULL;
 	}
 	pw->pw_gecos = strdup (pwent->pw_gecos);
 	if (NULL == pw->pw_gecos) {
+		free(pw->pw_passwd);
+		free(pw->pw_name);
+		free(pw);
 		return NULL;
 	}
 	pw->pw_dir = strdup (pwent->pw_dir);
 	if (NULL == pw->pw_dir) {
+		free(pw->pw_gecos);
+		free(pw->pw_passwd);
+		free(pw->pw_name);
+		free(pw);
 		return NULL;
 	}
 	pw->pw_shell = strdup (pwent->pw_shell);
 	if (NULL == pw->pw_shell) {
+		free(pw->pw_dir);
+		free(pw->pw_gecos);
+		free(pw->pw_passwd);
+		free(pw->pw_name);
+		free(pw);
 		return NULL;
 	}
 
diff -up shadow-4.1.4.2/lib/shadowmem.c.leak shadow-4.1.4.2/lib/shadowmem.c
--- shadow-4.1.4.2/lib/shadowmem.c.leak	2009-04-23 19:43:27.000000000 +0200
+++ shadow-4.1.4.2/lib/shadowmem.c	2009-09-07 15:41:49.218203063 +0200
@@ -52,10 +52,13 @@
 	*sp = *spent;
 	sp->sp_namp = strdup (spent->sp_namp);
 	if (NULL == sp->sp_namp) {
+                free(sp);
 		return NULL;
 	}
 	sp->sp_pwdp = strdup (spent->sp_pwdp);
 	if (NULL == sp->sp_pwdp) {
+                free(sp->sp_namp);
+                free(sp);
 		return NULL;
 	}