mirror of https://github.com/freetype/freetype
e891e4d6f1
UVS supporting functions assume the variation handler functions are valid. When a font without cmap format 14 is given, these function pointers are left as NULL, so calling these functions causes NULL pointer dereference. * src/base/ftobjs.c (FT_Face_GetCharVariantIndex): Check the pointer FT_CMap_Class->char_var_index before calling it. (FT_Face_GetCharVariantIsDefault): Check the pointer FT_CMap_Class->char_var_default before calling it. (FT_Face_GetVariantSelectors): Check the pointer FT_CMap_Class->variant_list before calling it. (FT_Face_GetVariantsOfChar): Check the pointer FT_CMap_Class->charvariant_list before calling it. (FT_Face_GetCharsOfVariant): Check the pointer FT_CMap_Class->variantchar_list before calling it. |
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README
Special notes to Unix users =========================== Please read the file `docs/UPGRADE.UNIX'. It contains important information regarding the installation of FreeType on Unix systems, especially GNU based operating systems like GNU/Linux. FreeType 2's library is called `libfreetype', FreeType 1's library is called `libttf'. They are *not* compatible! FreeType 2.4.3 ============== Please read the docs/CHANGES file, it contains IMPORTANT INFORMATION. Read the files `docs/INSTALL' for installation instructions. The FreeType 2 API reference is located in `docs/reference'; use the file `ft2-doc.html' as the top entry point. Additional documentation is available as a separate package from our sites. Go to http://download.savannah.gnu.org/releases/freetype/ and download one of the following files. freetype-doc-2.4.3.tar.bz2 freetype-doc-2.4.3.tar.gz ftdoc243.zip Bugs ==== Please report bugs by e-mail to `freetype-devel@nongnu.org'. Don't forget to send a detailed explanation of the problem -- there is nothing worse than receiving a terse message that only says `it doesn't work'. Alternatively, you may submit a bug report at https://savannah.nongnu.org/bugs/?group=freetype Enjoy! The FreeType Team ---------------------------------------------------------------------- Copyright 2006, 2007, 2008, 2009, 2010 by David Turner, Robert Wilhelm, and Werner Lemberg. This file is part of the FreeType project, and may only be used, modified, and distributed under the terms of the FreeType project license, LICENSE.TXT. By continuing to use, modify, or distribute this file you indicate that you have read the license and understand and accept it fully. --- end of README ---