Bug#816436: glibc hardening patch

[bancfc@openmailbox.org]

Package: glibc
Version: 2.21-9
Severity: high

Hi. After the recent glibc debacle I came across a patch to harden this 
important library against common attack vectors. Please think about 
reviewing and adding in Debian. The author warned there may be some 
package breakage but nothing too serious:

http://seclists.org/oss-sec/2015/q1/604

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-- System Information:
Debian Release: 8.2