diff -up texinfo-7.1/info/filesys.c.orig texinfo-7.1/info/filesys.c
diff -up texinfo-7.1/info/infokey.c.orig texinfo-7.1/info/infokey.c
--- texinfo-7.1/info/infokey.c.orig	2023-08-14 20:53:20.000000000 +0200
+++ texinfo-7.1/info/infokey.c	2024-08-07 12:12:04.651748655 +0200
@@ -208,7 +208,7 @@ compile (FILE *fp, const char *filename,
   char oval = 0;
   char comment[10];
   unsigned int clen = 0;
-  int seq[20];
+  int seq[20] = { 0 };
   unsigned int slen = 0;
   char act[80];
   unsigned int alen = 0;
diff -up texinfo-7.1/info/session.c.orig texinfo-7.1/info/session.c
--- texinfo-7.1/info/session.c.orig	2023-08-15 14:52:09.000000000 +0200
+++ texinfo-7.1/info/session.c	2024-08-08 13:14:28.320463664 +0200
@@ -2335,7 +2335,7 @@ info_menu_or_ref_item (WINDOW *window, i
           if (defentry)
             {
               prompt = xmalloc (strlen (defentry->label)
-                                + strlen (_("Menu item (%s): ")));
+                                + strlen (_("Menu item (%s): ")) + 1);
               sprintf (prompt, _("Menu item (%s): "), defentry->label);
             }
           else
@@ -2346,7 +2346,7 @@ info_menu_or_ref_item (WINDOW *window, i
           if (defentry)
             {
               prompt = xmalloc (strlen (defentry->label)
-                                + strlen (_("Follow xref (%s): ")));
+                                + strlen (_("Follow xref (%s): ")) + 1);
               sprintf (prompt, _("Follow xref (%s): "), defentry->label);
             }
           else
@@ -2923,7 +2923,7 @@ DECLARE_INFO_COMMAND (info_menu_sequence
 static int
 info_handle_pointer (char *label, WINDOW *window)
 {
-  char *description;
+  char *description = NULL;
   NODE *node;
 
   if (!strcmp (label, "Up"))
@@ -3480,7 +3480,7 @@ info_intuit_options_node (NODE *node, ch
         {
           char *nodename;
 
-          nodename = xmalloc (strlen (program) + strlen (*try_node));
+          nodename = xmalloc (strlen (program) + strlen (*try_node) + 1);
           sprintf (nodename, *try_node, program);
           /* The last resort "%s" is dangerous, so we restrict it
              to exact matches here.  */
@@ -3556,7 +3556,7 @@ DECLARE_INFO_COMMAND (info_goto_invocati
   default_program_name = program_name_from_file_name (file_name);
 
   prompt = xmalloc (strlen (default_program_name) +
-		    strlen (invocation_prompt));
+		    strlen (invocation_prompt) + 1);
   sprintf (prompt, invocation_prompt, default_program_name);
   line = info_read_in_echo_area (prompt);
   free (prompt);
diff -up texinfo-7.1/info/util.c.orig texinfo-7.1/info/util.c
--- texinfo-7.1/info/util.c.orig	2023-08-14 20:53:20.000000000 +0200
+++ texinfo-7.1/info/util.c	2024-08-07 12:12:04.656748661 +0200
@@ -34,9 +34,12 @@ xvasprintf (char **ptr, const char *temp
 int
 xasprintf (char **ptr, const char *template, ...)
 {
+  int ret;
   va_list v;
   va_start (v, template);
-  return xvasprintf (ptr, template, v);
+  ret =  xvasprintf (ptr, template, v);
+  va_end (v);
+  return ret;
 }
 
 /* Return the file buffer which belongs to WINDOW's node. */
diff -up texinfo-7.1/install-info/install-info.c.orig texinfo-7.1/install-info/install-info.c
--- texinfo-7.1/install-info/install-info.c.orig	2023-10-08 17:57:24.000000000 +0200
+++ texinfo-7.1/install-info/install-info.c	2024-08-07 12:12:04.657748663 +0200
@@ -752,11 +752,15 @@ open_possibly_compressed_file (char *fil
                 return 0;
               nread = fread (data, sizeof (data), 1, f);
               if (nread == 0)
-                return 0;
+                {
+                  fclose (f);
+                  return 0;
+                }
               goto determine_file_type; /* success */
             }
         }
       errno = 0;
+      fclose (f);
       return 0; /* unknown error */
     }
 
@@ -829,10 +833,16 @@ determine_file_type:
       FILE *f2;
 
       if (fclose (f) < 0)
-        return 0;
+        {
+          free (command);
+          return 0;
+        }
       f2 = freopen (*opened_filename, FOPEN_RBIN, stdin);
       if (!f)
-        return 0;
+        {
+          fclose (f2);
+          return 0;
+        }
       f = popen (command, "r");
       fclose (f2);
       if (!f)
@@ -854,7 +864,10 @@ determine_file_type:
 #else
       /* Seek back over the magic bytes.  */
       if (fseek (f, 0, 0) < 0)
-        return 0;
+        {
+          fclose (f);
+          return 0;
+        }
 #endif
     }
 
@@ -885,7 +898,10 @@ readfile (char *filename, int *sizep,
                                      compression_program);
 
   if (!f)
-    return 0;
+    {
+      free (data);
+      return 0;
+    }
 
   for (;;)
     {
@@ -1836,7 +1852,7 @@ munge_old_style_debian_options (int argc
                                 int *new_argc, char ***new_argv)
 {
   char *opt = NULL;
-  int i, err;
+  int i, err = 0;
   char *argz = NULL;
   size_t argz_len = 0;
   const char *regex, *title;