libvisio/0001-fdo-70480-do-not-crash-reading-malformed-zip.patch

   1 From 410f564d9a728b983cf11ba9b3eadfc7d59c187c Mon Sep 17 00:00:00 2001
   2 From: David Tardon <dtardon@redhat.com>
   3 Date: Thu, 17 Oct 2013 10:35:34 +0200
   4 Subject: [PATCH] fdo#70480 do not crash reading malformed zip
   5
   6 Change-Id: Ia37e8be5172a49669cb9f7271c5401ca88f39072
   7 ---
   8  src/lib/VSDZipStream.cpp | 2 ++
   9  1 file changed, 2 insertions(+)
  10
  11 diff --git a/src/lib/VSDZipStream.cpp b/src/lib/VSDZipStream.cpp
  12 index 3b3e08a..1c12d56 100644
  13 --- a/src/lib/VSDZipStream.cpp
  14 +++ b/src/lib/VSDZipStream.cpp
  15 @@ -203,6 +203,8 @@ bool libvisio::VSDZipStreamImpl::isZipStream()
  16      return false;
  17    if (!readCentralDirectory(end))
  18      return false;
  19 +  if (m_cdir.empty())
  20 +    return false;
  21    CentralDirectoryEntry entry = m_cdir.begin()->second;
  22    m_input->seek(entry.offset, WPX_SEEK_SET);
  23    LocalFileHeader header;
  24 --
  25 1.8.3.1
  26