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Created an attachment (id=743) [details] the bug report and poc This is a bug similar to Bug 2656. (http://bugzilla.maptools.org/show_bug.cgi?id=2656)
Fixed per 2017-01-11 Even Rouault <even.rouault at spatialys.com> * tools/tiffcp.c: error out cleanly in cpContig2SeparateByRow and cpSeparate2ContigByRow if BitsPerSample != 8 to avoid heap based overflow. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2656 and http://bugzilla.maptools.org/show_bug.cgi?id=2657 less C/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog new revision: 1.1210; previous revision: 1.1209 /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c new revision: 1.61; previous revision: 1.60