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CVE-2026-13455

Description

A flaw was found in PostgreSQL Anonymizer. Unprivileged masked users can repeatedly call the anon.hash() function to collect seed and hash output pairs. This allows an attacker to perform an offline brute-force attack to deduce the salt, potentially leading to information disclosure.

Statement

PostgreSQL Anonymizer is not shipped in any Red Hat product. It is available in Fedora and EPEL as a community package.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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