XScreenSaver is vulnerable Denial of Service (DoS). When a system is using a remote directory service for login credentials, a local attacker may be able to cause a network outage causing XScreenSaver to crash, unlocking the screen.
osvdb.org/35531
secunia.com/advisories/25065
secunia.com/advisories/25105
secunia.com/advisories/25116
secunia.com/advisories/25118
secunia.com/advisories/25119
secunia.com/advisories/25225
secunia.com/advisories/25610
security.gentoo.org/glsa/glsa-200705-14.xml
www.mandriva.com/security/advisories?name=MDKSA-2007:097
www.novell.com/linux/security/advisories/2007_9_sr.html
www.redhat.com/security/updates/classification/#moderate
www.redhat.com/support/errata/RHSA-2007-0322.html
www.securityfocus.com/bid/23783
www.securitytracker.com/id?1017996
www.ubuntu.com/usn/usn-474-1
access.redhat.com/errata/RHSA-2007:0322
exchange.xforce.ibmcloud.com/vulnerabilities/34054
issues.rpath.com/browse/RPL-1293
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11459