Provide references for CVE-2020-24994.
Where can I find more information about CVE-2020-24994?
References are available at: https://github.com/libass/libass/issues/422, https://github.com/libass/libass/issues/423, https://github.com/libass/libass/issues/422#issuecomment-806002919, https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e.