From 1ebf34c67142d1a36923ad6511301fb4b7458edd Mon Sep 17 00:00:00 2001
From: Caolán McNamara <caolanm@redhat.com>
Date: Sun, 17 Sep 2017 17:51:43 +0100
Subject: protect against short file
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Change-Id: I20c6a6fb34485f42c2a828618e8918d8a441860a
Reviewed-on: https://gerrit.libreoffice.org/42389
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
---
 sax/source/expatwrap/xml2utf.cxx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'sax')

diff --git a/sax/source/expatwrap/xml2utf.cxx b/sax/source/expatwrap/xml2utf.cxx
index fde25ce8482b..58ee36c1c829 100644
--- a/sax/source/expatwrap/xml2utf.cxx
+++ b/sax/source/expatwrap/xml2utf.cxx
@@ -221,8 +221,7 @@ bool XMLFile2UTFConverter::scanForEncoding( Sequence< sal_Int8 > &seq )
     }
 
     // first level : detect possible file formats
-    if( ! strncmp( reinterpret_cast<const char *>(pSource), "<?xml", 5 ) ) {
-
+    if (seq.getLength() >= 5 && !strncmp(reinterpret_cast<const char *>(pSource), "<?xml", 5)) {
         // scan for encoding
         OString str( reinterpret_cast<const char *>(pSource), seq.getLength() );
 
-- 
cgit