Ubuntu Security Notice 886-1 - It was discovered that Pidgin did not properly handle certain topic messages in the IRC protocol handler, enforce the "require TLS/SSL" setting when connecting to certain older Jabber servers, did not properly handle certain SLP invite messages in the MSN protocol handler, did not properly handle certain errors in the XMPP protocol handler, did not properly handle malformed contact-list data in the OSCAR protocol handler and did not properly handle custom smiley requests in the MSN protocol handler.
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