CVE-2026-6479
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | PostgreSQL | 18 < 18.4 | affected |
| n/a | PostgreSQL | 17 < 17.10 | affected |
| n/a | PostgreSQL | 16 < 16.14 | affected |
| n/a | PostgreSQL | 15 < 15.18 | affected |
| n/a | PostgreSQL | 0 < 14.23 | affected |
Weaknesses
- CWE-674: Uncontrolled Recursion
Workarounds
enable SSL and/or GSS; disable unix_socket_directories
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.