MySQL 5.1.x before 5.1.62 and 5.5.x before 5.5.22 allows remote authenticated users to cause a denial of service (assertion failure and mysqld abort) by deleting a record and using HANDLER READ NEXT.
http://bazaar.launchpad.net/~mysql/mysql-server/5.5/revision/3097.15.15
http://dev.mysql.com/doc/refman/5.1/en/news-5-1-62.html
http://dev.mysql.com/doc/refman/5.5/en/news-5-5-22.html
http://eromang.zataz.com/2012/04/10/oracle-mysql-innodb-bugs-13510739-and-63775-dos-demo/
http://secunia.com/advisories/53372
http://security.gentoo.org/glsa/glsa-201308-06.xml