gentoo-overlay/app-text/poppler/files/poppler-0.57.0-CVE-2017-14617.patch

From 939465c40902d72e0c05d4f3a27ee67e4a007ed7 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Tue, 19 Sep 2017 21:19:03 +0200
Subject: [PATCH] Fix crash in broken files

Bug #102854
---
 poppler/Stream.cc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/poppler/Stream.cc b/poppler/Stream.cc
index f4eda85b..0ad602c7 100644
--- a/poppler/Stream.cc
+++ b/poppler/Stream.cc
@@ -454,11 +454,10 @@ ImageStream::ImageStream(Stream *strA, int widthA, int nCompsA, int nBitsA) {
     } else {
       imgLineSize = nVals;
     }
-    if (width > INT_MAX / nComps) {
-      // force a call to gmallocn(-1,...), which will throw an exception
+    if (nComps <= 0 || width > INT_MAX / nComps) {
       imgLineSize = -1;
     }
-    imgLine = (Guchar *)gmallocn(imgLineSize, sizeof(Guchar));
+    imgLine = (Guchar *)gmallocn_checkoverflow(imgLineSize, sizeof(Guchar));
   }
   imgIdx = nVals;
 }
-- 
2.14.1