system
Provide references for <CVE-2021-3991>.
user
Where can I find more information about <CVE-2021-3991>?
assistant
References are available at: https://huntr.com/bounties/58ddbd8a-0faf-4b3f-aec9-5850bb19ab67, https://github.com/dolibarr/dolibarr/commit/63cd06394f39d60784d6e6a0ccf4867a71a6568f.