mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-30 16:12:58 -05:00
35 lines
1 KiB
Diff
35 lines
1 KiB
Diff
|
Fix CVE-2017-9776:
|
||
|
|
|
||
|
|
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9776
|
||
|
|
https://bugs.freedesktop.org/show_bug.cgi?id=101541
|
||
|
|
|
||
|
|
Patch copied from upstream source repository:
|
||
|
|
|
||
|
|
https://cgit.freedesktop.org/poppler/poppler/commit/?id=a3a98a6d83dfbf49f565f5aa2d7c07153a7f62fc
|
||
|
|
|
||
|
|
From 55db66c69fd56826b8523710046deab1a8d14ba2 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Albert Astals Cid <aacid@kde.org>
|
||
|
|
Date: Wed, 21 Jun 2017 00:55:20 +0200
|
||
|
|
Subject: [PATCH] Fix crash in malformed documents
|
||
|
|
|
||
|
|
---
|
||
|
|
poppler/JBIG2Stream.cc | 2 +-
|
||
|
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
||
|
|
|
||
|
|
diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc
|
||
|
|
index 48535883..d89108c8 100644
|
||
|
|
--- a/poppler/JBIG2Stream.cc
|
||
|
|
+++ b/poppler/JBIG2Stream.cc
|
||
|
|
@@ -896,7 +896,7 @@ void JBIG2Bitmap::combine(JBIG2Bitmap *bitmap, int x, int y,
|
||
|
|
oneByte = x0 == ((x1 - 1) & ~7);
|
||
|
|
|
||
|
|
for (yy = y0; yy < y1; ++yy) {
|
||
|
|
- if (unlikely(y + yy) >= h)
|
||
|
|
+ if (unlikely((y + yy >= h) || (y + yy < 0)))
|
||
|
|
continue;
|
||
|
|
|
||
|
|
// one byte per line -- need to mask both left and right side
|
||
|
|
--
|
||
|
|
2.13.2
|
||
|
|
|