S-063: Cairo Security Update


 
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Special Forums Cybersecurity Security Advisories (RSS) S-063: Cairo Security Update
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Old 04-14-2008
S-063: Cairo Security Update

An integer overflow flaw was found in the way Cairo processes PNG images. The risk is MEDIUM. It is possible to execute arbitrary code as the user running the application.


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doc::lua-oocairo-fontface(3)				       Lua OO Cairo binding				      doc::lua-oocairo-fontface(3)

Name
       lua-oocairo-fontface - Unscaled font face object

Introduction
       Cairo font face objects are returned by the "get_font_face" method on context objects (see lua-oocairo-context(3)).  They represent a font
       selection, but not including the scaling used to create a font of a particular size.  See lua-oocairo-scaledfont(3) for details about fonts
       at a particular size, which can be created by scaling one of these font face objects.

       Font face objects can be compared with the "==" operator.  This will compare the identity of the objects, so different Lua objects which
       refer to the same "cairo_font_face_t" will compare as equal.

Methods
       Font face objects provide the following methods.  Some of these will not be defined if the module was compiled against a version of Cairo
       too old to support them.

       fontface:get_family ()
	   Returns a string containing the name of the family selected with the "select_font_face" method.  Throws an exception if called on a
	   font face which wasn't created with the aXXtoyaXX API.  Only available with Cairo 1.8 or better.

       fontface:get_slant ()
	   Returns the slant style of the font face created with the toy API, or throws an exception for other font faces.  The return value will
	   be a string, with one of the values accepted by the "select_font_face" method.  Only available with Cairo 1.8 or better.

       fontface:get_type ()
	   Returns a string indicating what backend library handles this font.	The return value will be one of the following:

	   toy Created using Cairo's aXXtoyaXX font API, probably selected with the "select_font_face" method.

	   ft  Created with the FreeType API.

	   win32
	       A Windows native font.

	   quartz
	       A MacOS X native font.

	   user
	       A font created with custom code.

       fontface:get_weight ()
	   Returns the weight of the font face created with the toy API, or throws an exception for other font faces.  The return value will be a
	   string, with one of the values accepted by the "select_font_face" method.  Only available with Cairo 1.8 or better.

1.4								    2011-05-18					      doc::lua-oocairo-fontface(3)