b6a2ea4f82
With gsub substitutions the offsets should be validated against the number of glyphs in a font face and the memory allocated for the gsub substitution data. Both the number of glyphs and the last address in the allocated data are passed in to process_cursive(), where the number of glyphs validates the end of the range. Enabling memory allocation validation uses two macros, one to simply check the address against the allocated space, and the other to check that the number of items of a given size doesn't extend outside of the allocated space. Fixes: CID 73770 Fixes: CID 314040 Signed-off-by: Darren Kenny <darren.kenny@oracle.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This is GRUB 2, the second version of the GRand Unified Bootloader. GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more robust, more powerful, and more portable. See the file NEWS for a description of recent changes to GRUB 2. See the file INSTALL for instructions on how to build and install the GRUB 2 data and program files. See the file MAINTAINERS for information about the GRUB maintainers, etc. If you found a security vulnerability in the GRUB please check the SECURITY file to get more information how to properly report this kind of bugs to the maintainers. Please visit the official web page of GRUB 2, for more information. The URL is <http://www.gnu.org/software/grub/grub.html>. More extensive documentation is available in the Info manual, accessible using 'info grub' after building and installing GRUB 2. There are a number of important user-visible differences from the first version of GRUB, now known as GRUB Legacy. For a summary, please see: info grub Introduction 'Changes from GRUB Legacy'