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

high Tenable Cloud Security Plugin ID 464199

Description

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

- Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker
to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the
default in all supported releases. However, current databases may have MD5-hashed passwords originating in
upgrades from PostgreSQL 13 or earlier. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23
are affected. (CVE-2026-6478)

Solution

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

See Also

https://advisory.echohq.com/cve/CVE-2026-6478

Plugin Details

Severity: High

ID: 464199

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.67

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-6478

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

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

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-2026-6478