Improper boundary checks in petite.c in Clam AntiVirus (ClamAV) before 0.87.1 allows attackers to perform unknown attacks via unknown vectors.
http://www.mandriva.com/security/advisories?name=MDKSA-2005:205
http://www.gentoo.org/security/en/glsa/glsa-200511-04.xml
http://sourceforge.net/project/shownotes.php?release_id=368319