Provide references for CVE-2021-43807.
Where can I find more information about CVE-2021-43807?
References are available at: https://github.com/opencast/opencast/security/advisories/GHSA-j4mm-7pj3-jf7v, https://github.com/opencast/opencast/commit/59cb6731067283e54f15462be38b6117d8b9ea8b#diff-9c5fb3d1b7e3b0f54bc5c4182965c4fe1f9023d449017cece3005d3f90e8e4d8, https://github.com/opencast/opencast/commit/8f8271e1085f6f8e306c689d6a56b0bb8d076444.