diff --git a/NEWS b/NEWS
index 6079812505..8a8a92283f 100644
--- a/NEWS
+++ b/NEWS
@@ -37,6 +37,7 @@ The following CVEs were fixed in this release:
 The following bugs are resolved with this release:
 
   [19622] network: Support aliasing with struct sockaddr
+  [27821] ungetc: Fix backup buffer leak on program exit
   [30081] resolv: Do not wait for non-existing second DNS response after error
   [30701] time: getutxent misbehaves on 32-bit x86 when _TIME_BITS=64
   [30994] REP MOVSB performance suffers from page aliasing on Zen 4
@@ -90,6 +91,7 @@ The following bugs are resolved with this release:
   [31968] mremap implementation in C does not handle arguments correctly
   [32026] strerror/strsignal TLS not handled correctly for secondary namespaces
   [32052] Name space violation in fortify wrappers
+  [32137] libio: Attempt wide backup free only for non-legacy code
 
 Version 2.39
 
diff --git a/libio/genops.c b/libio/genops.c
index bb1d9594eb..02292beed9 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -792,7 +792,7 @@ _IO_unbuffer_all (void)
       /* Free up the backup area if it was ever allocated.  */
       if (_IO_have_backup (fp))
 	_IO_free_backup_area (fp);
-      if (fp->_mode > 0 && _IO_have_wbackup (fp))
+      if (!legacy && fp->_mode > 0 && _IO_have_wbackup (fp))
 	_IO_free_wbackup_area (fp);
 
       if (! (fp->_flags & _IO_UNBUFFERED)