The decompress function in compress42.c in (1) ncompress 4.2.4 and (2) liblzw allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code, via crafted data that leads to a buffer underflow.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9373
https://exchange.xforce.ibmcloud.com/vulnerabilities/28315
https://bugzilla.redhat.com/show_bug.cgi?id=728536
http://www.vupen.com/english/advisories/2006/3234
http://www.securityfocus.com/bid/19455
http://www.redhat.com/support/errata/RHSA-2006-0663.html
http://www.novell.com/linux/security/advisories/2006_20_sr.html
http://www.mandriva.com/security/advisories?name=MDVSA-2012:129
http://www.mandriva.com/security/advisories?name=MDKSA-2006:140
http://www.debian.org/security/2006/dsa-1149
http://support.avaya.com/elmodocs2/security/ASA-2006-226.htm
http://securitytracker.com/id?1016836
http://security.gentoo.org/glsa/glsa-200610-03.xml
http://secunia.com/advisories/22377
http://secunia.com/advisories/22296
http://secunia.com/advisories/22036
http://secunia.com/advisories/21880
http://secunia.com/advisories/21467
http://secunia.com/advisories/21437
http://secunia.com/advisories/21434
http://secunia.com/advisories/21427
http://rhn.redhat.com/errata/RHSA-2012-0810.html