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home:Alexander_Naumov:SLE-12:Update
tiff.26864
tiff-CVE-2017-11613,CVE-2018-16335,15209.patch
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File tiff-CVE-2017-11613,CVE-2018-16335,15209.patch of Package tiff.26864
Index: tiff-4.0.9/libtiff/tif_dirread.c =================================================================== --- tiff-4.0.9.orig/libtiff/tif_dirread.c 2018-06-04 16:49:48.940452546 +0200 +++ tiff-4.0.9/libtiff/tif_dirread.c 2018-06-04 16:50:18.572859131 +0200 @@ -5760,6 +5760,16 @@ ChopUpSingleUncompressedStrip(TIFF* tif) if( nstrips == 0 ) return; + /* If we are going to allocate a lot of memory, make sure that the */ + /* file is as big as needed */ + if( tif->tif_mode == O_RDONLY && + nstrips > 1000000 && + (offset >= TIFFGetFileSize(tif) || + stripbytes > (TIFFGetFileSize(tif) - offset) / (nstrips - 1)) ) + { + return; + } + newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64), "for chopped \"StripByteCounts\" array"); newoffsets = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64),
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