Secunia Security Advisory - Debian has issued an update for cyrus-sasl2 and cyrus-sasl2-heimdal. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.
cfa137c5e4023fa7b9a80cc2fd9cc4290173f071439e5061f357b2d994015722