The remote host is missing updates announced in advisory TSLSA-2007-0028.
fetchmail < TSL 3.0.5 > < TSL 3.0 > < TSL 2.2 > - SECURITY Fix: An error exists in fetchmail which allows context-dependent attackers to cause a denial of service (NULL dereference and application crash) by refusing certain warning messages that are sent over SMTP.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the names CVE-2007-4565 to this issue.
quagga < TSL 3.0.5 > < TSL 3.0 > - New Upstream. - SECURITY Fix: A vulnerability have been reported in Quagga, caused due to bgpd improperly handling messages sent by peers. This can be exploited to crash bgpd by sending a specially crafted OPEN message with an invalid message length or an invalid parameter length, or a specially crafted UPDATE message with a malformed COMMUNITY attribute.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2007-4826 to this issue.
Solution: Update your system with the packages as indicated in the referenced security advisory.