Provide references for CVE-2021-23839.
Where can I find more information about CVE-2021-23839?
References are available at: https://www.openssl.org/news/secadv/20210216.txt, https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=30919ab80a478f2d81f2e9acdcca3fa4740cd547, https://www.oracle.com/security-alerts/cpuApr2021.html, https://security.netapp.com/advisory/ntap-20210219-0009/, https://www.oracle.com//security-alerts/cpujul2021.html, https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44846, https://www.oracle.com/security-alerts/cpuoct2021.html, https://www.oracle.com/security-alerts/cpuapr2022.html, https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf, https://security.netapp.com/advisory/ntap-20240621-0006/.