[bug-gettext] intl: Proof against invalid offset/length

[Daiki Ueno]

Florian Weimer <fweimer@redhat.com> writes:

> The patch will use getauxval(AT_SECURE) or __libc_enable_secure (or
> issetuugid on other systems, but which I cannot test).  It is not going
> to be very portable.

I see (though I'm a bit confused that you removed the use of
__libc_enable_secure in CVE-2014-0475).  Can't you use secure_getenv,
which Gnulib provides a replacement, compare the result with
the normal getenv, and apply the pathname check if needed?

Regards,
-- 
Daiki Ueno