CVE-2026-6479

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.

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Produits concernés

• PostgreSQL
• Postgresql postgresql

Scores CVSS

Faiblesses (CWE)

• CWE-674

Références

• https://www.postgresql.org/support/security/CVE-2026-6479/ PatchVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories