hardening-check /usr/bin/iceweasel
gives the following output:
/usr/bin/iceweasel:
Position Independent Executable: yes
Stack protected: yes
Fortify Source functions: yes (some protected functions found)
Read-only relocations: no, not found!
Immediate binding: no, not found!
Package: iceweasel
Version: 38.7.1esr-1~deb8u1
Severity: normal
Tags: security
Iceweasel is compiled without RELRO protection against memory corruption
as can be shown by executing:
readelf -l /usr/bin/iceweasel | grep 'GNU_RELRO'
readelf -d /usr/bin/iceweasel | grep 'BIND_NOW'
Or run the script
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