[Bug 200888] CVE-2012-3509 libiberty: integer overflow

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200888

--- Comment #1 from commit-hook at freebsd.org ---
A commit references this bug:

Author: pfg
Date: Fri Jun  3 21:37:24 UTC 2016
New revision: 301291
URL: https://svnweb.freebsd.org/changeset/base/301291

Log:
  libiberty: prevent integer overflow.

  Take care of very old bug leading to heap-buffer overflow by
  processing certain file headers via bfd binary.

  PR:           200888
  Obtained from:        OpenBSD
  MFC after:    2 weeks

Changes:
  head/contrib/gcclibs/include/objalloc.h
  head/contrib/gcclibs/libiberty/objalloc.c

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