diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 9f3099fcd76..335c7d02fa8 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,9 @@
+2021-05-13  Alan Modra  <amodra@gmail.com>
+
+	PR 27860
+	* dwarf.c (display_debug_frames): Sanity check cie_off before
+	attempting to read cie.
+
 2021-05-12  Alan Modra  <amodra@gmail.com>
 
 	* dwarf.c (process_extended_line_op): Don't bump data pointer past
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 56983e1c799..20bd92657b3 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -8708,6 +8708,8 @@ display_debug_frames (struct dwarf_section *section,
 		if (cie->chunk_start == look_for)
 		  break;
 	    }
+	  else if (cie_off >= section->size)
+	    cie = NULL;
 	  else
 	    {
 	      for (cie = forward_refs; cie ; cie = cie->next)