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Echo: postgresql-15: security update to 15.18postgresql-17: security update to 17.10

high Tenable Cloud Security Plugin ID 460843

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-6479)

Solution

Update the postgresql-15 library and its related packages to version 15.18 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-6479

Plugin Details

Severity: High

ID: 460843

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.66

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-6479

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2026

Vulnerability Publication Date: 5/14/2026

Reference Information

CVE: CVE-2026-6479