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Date: Wed, 09 Apr 2014 10:51:46 +0200
From: Florian Weimer <>
Subject: Heap-based buffer overflow in libdw/elfutils (CVE-2014-0172)

The compressed debug information support in libdw does not handle 
malformed compressed debug sections properly.  When computing the size 
of a memory region, integer wraparound is not taken into account, 
resulting in a heap allocation that is smaller than expected and which 
is subsequently filled with arbitrary decompressed data:


We have assigned CVE-2014-0172 to this issue.

Florian Weimer / Red Hat Product Security Team

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