从这个网页截图中，可以获取到关于漏洞的关键信息如下： I. Vulnerability Summary Multiple vulnerabilities in OpenSSL: - CVE Name: CVE-2021-3449, CVE-2021-3450 II. Vulnerability Details CVE-2021-3450: - X509_V_FLAG_X509_STRICT bypass issue can result in a check bypass of non-CA certificates issuing other certificates. CVE-2021-3449: - NULL pointer dereference in TLS server during certain TLSv1.2 renegotiation scenarios. III. Impact CVE-2021-3450: Can lead to bypass of non-CA certificate checks. CVE-2021-3449: Can cause server crash and denial of service (DoS) attacks. IV. Mitigation CVE-2021-3450: No direct workaround; avoid setting X509_V_FLAG_X509_STRICT flag unless necessary. CVE-2021-3449: Disable TLSv1.2 or disable renegotiation on TLS server. V. Patches and Solutions Apply patches for specific FreeBSD branches as listed: - Freebsd-update fetch and install for vulnerable systems. VI. Key Links and References Detailed CVE information and advisory: