Off-by-one error in the fsp_readdir_r function in fsplib.c in fsplib before 0.9 allows remote attackers to cause a denial of service via a directory entry whose length is exactly MAXNAMELEN, which prevents a terminating null byte from being added.
http://www.mandriva.com/security/advisories?name=MDVSA-2008:018
http://security.gentoo.org/glsa/glsa-200711-01.xml
http://secunia.com/advisories/27501
http://secunia.com/advisories/26378
http://secunia.com/advisories/26184
http://fsp.cvs.sourceforge.net/fsp/fsplib/fsplib.c?r1=1.19&r2=1.20
http://fsp.cvs.sourceforge.net/fsp/fsplib/ChangeLog?revision=1.17&view=markup