ofz: XPMReader::ImplGetColKey short read

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commit 10a23885
Date:   Tue Jan 17 12:35:24 2017 +0000

    ofz#411: XPMReader::ImplGetColKey short read

Change-Id: Iffc7ddb00b2849b2f9fad17314086b87d3097660
Reviewed-on: https://gerrit.libreoffice.org/44628Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/source/filter/ixpm/xpmread.cxx

@@ -406,6 +406,9 @@ bool XPMReader::ImplGetColKey( sal_uInt8 nKey )
 {
     sal_uInt8 nTemp, nPrev = ' ';
 
+    if (mnStringSize < mnCpp + 1)
+        return false;
+
     mpPara = mpStringBuf + mnCpp + 1;
     mnParaSize = 0;