Provide references for CVE-2021-4250.
Where can I find more information about CVE-2021-4250?
References are available at: https://vuldb.com/?id.216207, https://github.com/cgriego/active_attr/issues/184, https://github.com/cgriego/active_attr/pull/185, https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df, https://github.com/cgriego/active_attr/releases/tag/v0.15.3.