Detections
Analytics

Oracle Linux 9 : postgresql (ELSA-2026-52395)

high Nessus Plugin ID 334553

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-52395 advisory.

 - Apply patch for CVE-2026-6479 in prep section
 - Resolves: CVE-2026-6479
 - Backport fix for CVE-2026-6479 from PostgreSQL 14.23 (SSL/GSS init causes denial of service via uncontrolled recursion)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-52395.html

Plugin Details

Severity: High

ID: 334553

File Name: oraclelinux_ELSA-2026-52395.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/11/2026

Updated: 8/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

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

CPE: cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:postgresql-contrib, p-cpe:/a:oracle:linux:postgresql-docs, p-cpe:/a:oracle:linux:postgresql-plperl, p-cpe:/a:oracle:linux:postgresql-plpython3, p-cpe:/a:oracle:linux:postgresql-pltcl, p-cpe:/a:oracle:linux:postgresql-private-devel, p-cpe:/a:oracle:linux:postgresql-private-libs, p-cpe:/a:oracle:linux:postgresql-server-devel, p-cpe:/a:oracle:linux:postgresql-server, p-cpe:/a:oracle:linux:postgresql-static, p-cpe:/a:oracle:linux:postgresql-test-rpm-macros, p-cpe:/a:oracle:linux:postgresql-test, p-cpe:/a:oracle:linux:postgresql-upgrade-devel, p-cpe:/a:oracle:linux:postgresql-upgrade, p-cpe:/a:oracle:linux:postgresql

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 8/11/2026

Vulnerability Publication Date: 5/14/2026

Reference Information

CVE: CVE-2026-6479

IAVB: 2026-B-0129