iDEFENSE Security Advisory 05.30.03: Passing an overly long string to the apr_psprintf() APR library function that is used by the Apache HTTP Server could cause an application to reference memory that should have already been returned to the heap allocation pool.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31188/idsa-053003.txt
Source: https://packetstormsecurity.com/files/31188/idsa-053003.txt.html