CVE-2026-6479 – PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion

CVE ID :CVE-2026-6479

Published : May 14, 2026, 2:16 p.m. | 42 minutes ago

Description :Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AF_UNIX socket to achieve sustained denial of service. If SSL and GSS are both disabled, an attacker can do the same via access to a PostgreSQL TCP socket. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

Severity: 7.5 | HIGH

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