[PATCH libreoffice-4-0] resolved fdo#63161 out of bounds string access

Hi,

I have submitted a patch for review:

    https://gerrit.libreoffice.org/3211

To pull it, you can do:

    git pull ssh://gerrit.libreoffice.org:29418/core refs/changes/11/3211/1

resolved fdo#63161 out of bounds string access

Introduced with c7709b460394283fd5b1d2779b6af3585f80a991
String to OUString where previous String::GetChar() handled this.

Change-Id: I9253df1af7498e2d7a8ea8077ec6b369697ad44e
(cherry picked from commit d526e48912deeb44061ff570d715c31ca45f77b8)
---
M svl/source/numbers/zforfind.hxx
1 file changed, 4 insertions(+), 0 deletions(-)



diff --git a/svl/source/numbers/zforfind.hxx b/svl/source/numbers/zforfind.hxx
index 412e189..dadde5c 100644
--- a/svl/source/numbers/zforfind.hxx
+++ b/svl/source/numbers/zforfind.hxx
@@ -218,6 +218,10 @@
                                        const OUString& rString,
                                        sal_Int32 nPos )
         {
+            if (rWhat.isEmpty() || rString.getLength() <= nPos)
+            {
+                return false;
+            }
             // mostly used with one character
             if ( rWhat[ 0 ] != rString[ nPos ] )
             {

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I9253df1af7498e2d7a8ea8077ec6b369697ad44e
Gerrit-PatchSet: 1
Gerrit-Project: core
Gerrit-Branch: libreoffice-4-0
Gerrit-Owner: Eike Rathke <erack@redhat.com>