CVE-2008-2725 ruby: integer overflow in rb_ary_splice/update/replace() - REALLOC_N

Integer overflow in the (1) rb_ary_splice function in Ruby 1.8.4
and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230,
and 1.8.7 before 1.8.7-p22; and (2) the rb_ary_replace function
in 1.6.x allows context-dependent attackers to trigger memory
corruption via unspecified vectors, aka the “REALLOC_N” variant,
a different issue than CVE-2008-2662, CVE-2008-2663, and CVE-2008-2664.

NOTE: As of 20080624, there has been inconsistent usage of multiple
CVE identifiers related to Ruby. The CVE description should be
regarded as authoritative, although it is likely to change.