https://github.com/file/file/commit/a642587a9c9e2dd7feacdf513c3643ce26ad3c22.patch
The leading part of the patch starting at line 27 was trimmed off.
This patch should be OK to drop with file@5.35.

From a642587a9c9e2dd7feacdf513c3643ce26ad3c22 Mon Sep 17 00:00:00 2001
From: Christos Zoulas <christos@zoulas.com>
Date: Sat, 9 Jun 2018 16:00:06 +0000
Subject: [PATCH] Avoid reading past the end of buffer (Rui Reis)

---
 src/readelf.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/readelf.c b/src/readelf.c
index 79c83f9f5..1f41b4611 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -842,7 +842,8 @@ do_core_note(struct magic_set *ms, unsigned char *nbuf, uint32_t type,
 
 				cname = (unsigned char *)
 				    &nbuf[doff + prpsoffsets(i)];
-				for (cp = cname; *cp && isprint(*cp); cp++)
+				for (cp = cname; cp < nbuf + size && *cp
+				    && isprint(*cp); cp++)
 					continue;
 				/*
 				 * Linux apparently appends a space at the end
