Apache mod_auth_radius 1.5.4 and libpam-radius-auth allow remote malicious RADIUS servers to cause a denial of service (crash) via a RADIUS_REPLY_MESSAGE with a RADIUS attribute length of 1, which leads to a memcpy operation with a -1 length argument.
marc.info/?l=bugtraq&m=110548193312050&w=2
secunia.com/advisories/13773
secunia.com/advisories/14046
security.lss.hr/en/index.php?page=details&ID=LSS-2005-01-02
securitytracker.com/id?1012829
www.debian.org/security/2005/dsa-659
www.securityfocus.com/bid/12217
exchange.xforce.ibmcloud.com/vulnerabilities/18841