1 files changed, 68 insertions, 0 deletions
diff --git a/backport-CVE-2022-27337.patch b/backport-CVE-2022-27337.patch
new file mode 100644
index 0000000..bb22089
--- /dev/null
+++ b/backport-CVE-2022-27337.patch
@@ -0,0 +1,68 @@
+From 81044c64b9ed9a10ae82a28bac753060bdfdac74 Mon Sep 17 00:00:00 2001
+From: Albert Astals Cid <aacid@kde.org>
+Date: Tue, 15 Mar 2022 15:14:32 +0100
+Subject: [PATCH] Hints::readTables: bail out if we run out of file when
+ reading
+
+Fixes #1230
+
+Reference:https://gitlab.freedesktop.org/poppler/poppler/-/commit/81044c64b9ed9a10ae82a28bac753060bdfdac74
+Conflict:NA
+
+---
+ poppler/Hints.cc | 28 +++++++++++++++++++++-------
+ 1 file changed, 21 insertions(+), 7 deletions(-)
+
+diff --git a/poppler/Hints.cc b/poppler/Hints.cc
+index 03e0f7e..90b8dee 100644
+--- a/poppler/Hints.cc
++++ b/poppler/Hints.cc
+@@ -5,7 +5,7 @@
+ // This file is licensed under the GPLv2 or later
+ //
+ // Copyright 2010, 2012 Hib Eris <hib@hiberis.nl>
+-// Copyright 2010, 2011, 2013, 2014, 2016-2019 Albert Astals Cid <aacid@kde.org>
++// Copyright 2010, 2011, 2013, 2014, 2016-2019, 2021, 2022 Albert Astals Cid <aacid@kde.org>
+ // Copyright 2010, 2013 Pino Toscano <pino@kde.org>
+ // Copyright 2013 Adrian Johnson <ajohnson@redneon.com>
+ // Copyright 2014 Fabio D'Urso <fabiodurso@hotmail.it>
+@@ -195,17 +195,31 @@ void Hints::readTables(BaseStream *str, Linearization *linearization, XRef *xref
+   char *p = &buf[0];
+ 
+   if (hintsOffset && hintsLength) {
+-    Stream *s = str->makeSubStream(hintsOffset, false, hintsLength, Object(objNull));
++    std::unique_ptr<Stream> s(str->makeSubStream(hintsOffset, false, hintsLength, Object(objNull)));
+     s->reset();
+-    for (unsigned int i=0; i < hintsLength; i++) { *p++ = s->getChar(); }
+-    delete s;
++    for (unsigned int i=0; i < hintsLength; i++) {
++            const int c = s->getChar();
++            if (unlikely(c == EOF)) {
++                error(errSyntaxWarning, -1, "Found EOF while reading hints");
++                ok = false;
++                return;
++            }
++            *p++ = c;
++        }
+   }
+ 
+   if (hintsOffset2 && hintsLength2) {
+-    Stream *s = str->makeSubStream(hintsOffset2, false, hintsLength2, Object(objNull));
++    std::unique_ptr<Stream> s(str->makeSubStream(hintsOffset2, false, hintsLength2, Object(objNull)));
+     s->reset();
+-    for (unsigned int i=0; i < hintsLength2; i++) { *p++ = s->getChar(); }
+-    delete s;
++    for (unsigned int i=0; i < hintsLength2; i++) {
++            const int c = s->getChar();
++            if (unlikely(c == EOF)) {
++                error(errSyntaxWarning, -1, "Found EOF while reading hints2");
++                ok = false;
++                return;
++            }
++            *p++ = c;
++        }
+   }
+ 
+   MemStream *memStream = new MemStream (&buf[0], 0, bufLength, Object(objNull));
+-- 
+2.27.0