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Echo: postgresql-15: security update to 15.19postgresql-17: security update to 17.11

medium Tenable Cloud Security Plugin ID 464630

Description

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

 - Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end
 of a specific allocation, via a crafted text value. This is the same class of defect that CVE-2026-2006
 fixed, though this instance has less impact. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and
 14.24 are affected. (CVE-2026-18024)

Solution

Update the postgresql-15 library and its related packages to version 15.19 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-18024

Plugin Details

Severity: Medium

ID: 464630

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-18024

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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: 8/14/2026

Vulnerability Publication Date: 8/13/2026

Reference Information

CVE: CVE-2026-18024