PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser choice

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FreeBSD : PostgreSQL -- Multiple vulnerabilities (7185ecc9-4fb7-11f1-bc50-6cc21735f730)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 7185ecc9-4fb7-11f1-bc50-6cc21735f730 advisory. The PostgreSQL project reports: Missing authorization in PostgreSQL CREATE TYPE allows an obje...

CVE-2026-6475 PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser choice

Symlink following in PostgreSQL pgbasebackup plain format and in pgrewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It will remain the case that starting the server after these commands implicitly trusts the orig...