Provide references for CVE-2021-3831.
Where can I find more information about CVE-2021-3831?
References are available at: https://huntr.dev/bounties/25775287-88cd-4f00-b978-692d627dff04, https://github.com/gnuboard/gnuboard5/commit/2e81619ea87bc9c0b4a073d8df3c7693a6fdbf0d.