Provide references for CVE-2020-12887.
Where can I find more information about CVE-2020-12887?
References are available at: https://github.com/ARMmbed/mbed-os/issues/12957, https://github.com/ARMmbed/mbed-os/issues/12930, https://github.com/mjurczak/mbed-coap/commit/4647a68e364401e81dbd370728127d844f221d93, https://github.com/ARMmbed/mbed-coap/pull/116.