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Date: Wed, 16 Jul 2008 13:48:55 -0400 (EDT)
From: "Steven M. Christey" <>
Subject: Re: CVE id request: byacc

Name: CVE-2008-3196
Status: Candidate
Reference: MLIST:[openbsd-cvs] 20080708 CVS: src
Reference: URL:
Reference: MLIST:[openbsd-cvs] 20080708 Re: CVS: src
Reference: URL:

skeleton.c in yacc does not properly handle reduction of a rule with
an empty right hand side, which allows context-dependent attackers to
cause an out-of-bounds stack access when the yacc stack pointer points
to the end of the stack.

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