Provide references for CVE-2021-41990.
Where can I find more information about CVE-2021-41990?
References are available at: https://github.com/strongswan/strongswan/releases/tag/5.9.4, https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html, https://www.debian.org/security/2021/dsa-4989, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/, https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf.