Provide references for CVE-2021-29978.
Where can I find more information about CVE-2021-29978?
References are available at: https://www.mozilla.org/security/advisories/mfsa2021-31/, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/797, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/798, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/799, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/800, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/801, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/803, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/804, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/805, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/806, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/808, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/809, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/810, https://github.com/mozilla-mobile/mozilla-vpn-client/issues/812, https://github.com/mozilla-mobile/mozilla-vpn-client/pull/816.