system
Provide references for <CVE-2021-31819>.
user
Where can I find more information about <CVE-2021-31819>?
assistant
References are available at: https://advisories.octopus.com/adv/2021-08---Remote-Code-Execution-via-Deserialisation-in-the-Halibut-Protocol-%28CVE-2021-31819%29.2250309681.html.