A more secure glibc
"Although phkmalloc has remained relatively unchanged over the years, the glibc implementation (ptmalloc2) has undergone several recent changes (a friend of mine confirms that version 2.3.4 contains numerous security enhancements), increasing the difficulty of exploiting heap corruption vulnerabilities. The glibc heap now contains safe unlinking, and a bunch of other features that raise the bar of exploitation significantly, however, these changes are still relatively minor - and are quite different from the fundamental changes that OpenBSD is making." Security-related innovation in Unix
(Submitted by Noel Tue Oct 4, 2005 )
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