Severity: Unknown
Affected Package: openssh
Summary: OpenSSH double free vulnerability
OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One third-party report states "remote code execution is theoretically possible."
Specific versions:
No specific recommendations provided.
Aliases: CVE-2023-25136
Published: December 27, 2023
Last Modified: December 27, 2023