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high advisory

Multiple Privilege Escalation Vulnerabilities in FreeBSD (CVE-2026-45257, CVE-2026-49413)

Multiple vulnerabilities, including CVE-2026-45257 (kernel out-of-bounds write) and CVE-2026-49413 (Linux compatibility layer memory mapping), exist in FreeBSD branches 14 and 15, allowing a local unprivileged attacker to achieve privilege escalation.

FreeBSD branch 14 versions prior to 14-n274315 +5 freebsd vulnerability privilege-escalation local-privilege-escalation
3r 4i
critical advisory

Multiple Vulnerabilities in FreeBSD

FreeBSD published security advisories addressing multiple vulnerabilities including remote code execution, local privilege escalation, heap overflow, and stack overflow, affecting all supported versions.

FreeBSD vulnerability rce privilege-escalation
2r 2t 4c