56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
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From 368f11b41c726df5d888124330855e1042db9603 Mon Sep 17 00:00:00 2001
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From: erouault <erouault>
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Date: Thu, 12 Jan 2017 19:23:20 +0000
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Subject: [PATCH 3/8] * libtiff/tif_ojpeg.c: fix leak in
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OJPEGReadHeaderInfoSecTablesQTable, OJPEGReadHeaderInfoSecTablesDcTable and
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OJPEGReadHeaderInfoSecTablesAcTable
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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* libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesAcTable when read fails. Patch by Nicolás Peña. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659
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---
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libtiff/tif_ojpeg.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c
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index 0e69a46..3421a05 100644
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--- a/libtiff/tif_ojpeg.c
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+++ b/libtiff/tif_ojpeg.c
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@@ -1790,7 +1790,10 @@ OJPEGReadHeaderInfoSecTablesQTable(TIFF* tif)
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TIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET);
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p=(uint32)TIFFReadFile(tif,&ob[sizeof(uint32)+5],64);
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if (p!=64)
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+ {
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+ _TIFFfree(ob);
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return(0);
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+ }
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sp->qtable[m]=ob;
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sp->sof_tq[m]=m;
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}
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@@ -1854,7 +1857,10 @@ OJPEGReadHeaderInfoSecTablesDcTable(TIFF* tif)
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rb[sizeof(uint32)+5+n]=o[n];
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p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q);
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if (p!=q)
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+ {
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+ _TIFFfree(rb);
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return(0);
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+ }
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sp->dctable[m]=rb;
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sp->sos_tda[m]=(m<<4);
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}
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@@ -1918,7 +1924,10 @@ OJPEGReadHeaderInfoSecTablesAcTable(TIFF* tif)
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rb[sizeof(uint32)+5+n]=o[n];
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p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q);
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if (p!=q)
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+ {
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+ _TIFFfree(rb);
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return(0);
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+ }
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sp->actable[m]=rb;
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sp->sos_tda[m]=(sp->sos_tda[m]|m);
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}
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--
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2.7.4
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