Stack-based buffer overflow in the String_parse::get_nonspace_quoted function in lib-src/allegro/strparse.cpp in Audacity 1.2.6 and other versions before 1.3.6 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a .gro file containing a long string.
https://www.exploit-db.com/exploits/7634
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html