FreeBSD Security Advisories Detail Critical Vulnerabilities

Multiple critical FreeBSD security advisories describe kernel- and userland-level flaws that can lead to remote code execution (libalias RTSP handler) and local privilege escalation or kernel memory disclosure (OpenZFS heap overflows, TCP RACK use-after-free, POSIX largepage issues). Affected branches include FreeBSD 15.x and 14.x; FreeBSD has published patches and mitigations, and no active exploitation or public PoCs are reported at this time.