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openSUSE:Evergreen:11.4
libqt4-devel-doc.import5129
harfbuzz-crash.diff
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File harfbuzz-crash.diff of Package libqt4-devel-doc.import5129
commit 9ae6f2f9a57f0c3096d5785913e437953fa6775c Author: Jiang Jiang <jiang.jiang@nokia.com> Date: Mon Jul 18 08:49:32 2011 +0200 Check for buffer overflow in Lookup_MarkMarkPos That may cause crash in this function with certain fonts. Task-number: QTBUG-17238 Done-by: Alberto Garcia <agarcia@igalia.com> Reviewed-by: Jiang Jiang --- src/3rdparty/harfbuzz/src/harfbuzz-gpos.c +++ src/3rdparty/harfbuzz/src/harfbuzz-gpos.c @@ -3012,6 +3012,9 @@ static HB_Error Lookup_MarkMarkPos( GPOS_Instance* gpi, j--; } + if ( i > buffer->in_pos ) + return HB_Err_Not_Covered; + error = _HB_OPEN_Coverage_Index( &mmp->Mark2Coverage, IN_GLYPH( j ), &mark2_index ); if ( error )
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