From Fedora Project Wiki
GCC Compiler Collection
This release of Fedora has been built with GCC 4.3.2
, which is included with the distribution.
For more information on GCC 4.3, refer to:
Code Generation
Starting with gcc-4.1.2-25
and glibc-2.6.90-14
, the -D_FORTIFY_SOURCE=2
option protects not only C code, but also C++. There have been several security
issues already which would not have been exploitable if this checking was in place earlier. Refer to this announcement for more details.