diff -up sblim-gather-2.2.9/plugin/metricVirt.c.orig sblim-gather-2.2.9/plugin/metricVirt.c
--- sblim-gather-2.2.9/plugin/metricVirt.c.orig	2014-10-09 23:29:10.000000000 +0200
+++ sblim-gather-2.2.9/plugin/metricVirt.c	2021-08-19 14:29:14.500341897 +0200
@@ -31,6 +31,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 #define PIDDIR "/var/run/libvirt/qemu/"
 #define L_piddir 22
@@ -239,7 +240,8 @@ static void collectDomainSchedStats(int
     FILE * fd = NULL;
     char * pidfile = NULL;
     char * tidfile = NULL;
-    char tmpfile[L_tmpnam];
+    char pidtmpfile[] = "/tmp/pidtmp-XXXXXX";
+    int tfd = -1;
     char cmdbuf[128];
     char buf[bufsize];
     int * tids = NULL;
@@ -266,10 +268,12 @@ static void collectDomainSchedStats(int
     
     /* determine thread ids for each vcpu via ps */
     if (pid) {
-        if (tmpnam(tmpfile)) {
-            sprintf(cmdbuf, "ps --no-headers -p %d -Lo lwp > %s", pid, tmpfile);
+        tfd = mkstemp(pidtmpfile);
+        if (tfd != -1) {
+            unlink(pidtmpfile);
+            sprintf(cmdbuf, "ps --no-headers -p %d -Lo lwp > %s", pid, pidtmpfile);
             if (system(cmdbuf) == 0) {
-                if ((fd = fopen(tmpfile, "r")) != NULL) {
+                if ((fd = fdopen(tfd, "r")) != NULL) {
                     /* ignore master thread (vm pid) */
                     fgets(buf, bufsize, fd);
                     
@@ -282,7 +286,6 @@ static void collectDomainSchedStats(int
                     fclose(fd);
                 }
             }
-            remove(tmpfile);
         }
     }
     
@@ -293,17 +296,20 @@ static void collectDomainSchedStats(int
         /* for each vcpu/tid grab stats from /proc/$pid/task/$tid/sched */
         for (i = 0; i < domain_statistics.vcpus[cnt]; i++) {
             float used, ready;
+            char tidtmpfile[] = "/tmp/tidtmp-XXXXXX";
             
-            if (tmpnam(tmpfile)) {
+            tfd = mkstemp(tidtmpfile);
+            if (tfd != -1) {
+                unlink(tidtmpfile);
                 sprintf(tidfile, "%s%d%s%d%s", PROC, pid, TASK, tids[i], SCHED);
                 
                 /* interested in se.sum_exec_runtime and se.wait_sum */           
                 sprintf(cmdbuf, "cat %s | awk '/exec_runtime/ || /wait_sum/ {print $3}' > %s",
-                    tidfile, tmpfile);
+                    tidfile, tidtmpfile);
                 
                 /* stats are in floating point ms, convert to microseconds */
                 if (system(cmdbuf) == 0) {
-                    if ((fd = fopen(tmpfile, "r")) != NULL) {
+                    if ((fd = fdopen(tfd, "r")) != NULL) {
                         fgets(buf, bufsize, fd);
                         sscanf(buf, "%f", &used);
                         used = used * 1000;
@@ -317,7 +323,6 @@ static void collectDomainSchedStats(int
                         fclose(fd);
                     }
                 }
-                remove(tmpfile);
             }
             
         }
diff -up sblim-gather-2.2.9/reposdump.c.orig sblim-gather-2.2.9/reposdump.c
--- sblim-gather-2.2.9/reposdump.c.orig	2014-10-09 23:29:11.000000000 +0200
+++ sblim-gather-2.2.9/reposdump.c	2021-08-19 14:33:27.612564618 +0200
@@ -55,6 +55,7 @@ int main(int argc, char * argv[])
   /* output file handling */
   char fname[400];
   char *dumpdir;
+  int tfd;
   FILE * fhdl;
   /* rrepos API related */
   char **plugins;
@@ -119,7 +120,8 @@ int main(int argc, char * argv[])
 
   /* we will need the current time later on */
   now = time(NULL);
-  strcpy(timestr,time_chars_unsafe(now));
+  strncpy(timestr, time_chars_unsafe(now), sizeof(timestr)-1);
+  timestr[sizeof(timestr)-1] = '\0';
 
   /* construct output filename and open for writing */
   if (argc > 3) {
@@ -127,8 +129,14 @@ int main(int argc, char * argv[])
   } else {
     dumpdir = "/tmp";
   }
-  sprintf(fname,"%s/reposd-dump-%s.out",dumpdir,timestr);
-  fhdl = fopen(fname,"w");
+  snprintf(fname, sizeof(fname)-1, "%s/reposd-dump-%s-XXXXXX.out", dumpdir, timestr);
+  fname[sizeof(fname)-1] = '\0';
+  tfd = mkstemps(fname, 4);
+  if (tfd == -1) {
+    fprintf(stderr, "Could not create %s\n", fname);
+    return REPOSDUMP_FILEWRITE;
+  }
+  fhdl = fdopen(tfd,"w");
   if (fhdl == NULL) {
     fprintf(stderr, "Could not open %s for writing\n", fname);
     return REPOSDUMP_FILEWRITE;
diff -up sblim-gather-2.2.9/slisten.c.orig sblim-gather-2.2.9/slisten.c
--- sblim-gather-2.2.9/slisten.c.orig	2014-10-09 23:29:11.000000000 +0200
+++ sblim-gather-2.2.9/slisten.c	2021-08-19 14:29:14.501341906 +0200
@@ -64,6 +64,7 @@ static void subs_listener_cleanup(void *
   /* reset to initial state */
   long fds = (long)fdsocket;
   close(fds);
+  close(fdsockfile);
   unlink(listener);
   strcpy(listener,SOCKFILE_TEMPLATE);
   fdsockfile=-1;
@@ -139,7 +140,6 @@ int add_subscription_listener(char *list
     M_TRACE(MTRACE_DETAILED,MTRACE_RREPOS,
 	    ("listener socket name = %s",listener));
     if (fdsockfile != -1) {
-      close(fdsockfile);
       unlink(listener);
       pthread_create(&pt_listener,NULL,subs_listener,NULL);
       pthread_detach(pt_listener);