CVE-2026-6479
HIGH EPSS 37.2%
Published May 14, 20261mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
Published May 14, 2026 1mo ago
Last Modified Jun 17, 2026 1w 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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
37.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-674
Affected Products 5
| Vendor | Product | Version | Range |
|---|---|---|---|
| postgresql | postgresql | * | <14.23 |
| postgresql | postgresql | * | ≥15.0 – <15.18 |
| postgresql | postgresql | * | ≥16.0 – <16.14 |
| postgresql | postgresql | * | ≥17.0 – <17.10 |
| postgresql | postgresql | * | ≥18.0 – <18.4 |
References 1
- postgresql.org https://www.postgresql.org/support/security/CVE-2026-6479/
Remediation
- postgresql.org https://www.postgresql.org/support/security/CVE-2026-6479/