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RockyLinux 8 : postgresql:13 (RLSA-2026:4024)

high Nessus Plugin ID 301539

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:4024 advisory.

 * postgresql: PostgreSQL missing validation of multibyte character length executes arbitrary code (CVE-2026-2006)

 * postgresql: PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code (CVE-2026-2004)

 * postgresql: PostgreSQL pgcrypto heap buffer overflow executes arbitrary code (CVE-2026-2005)

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

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

Solution

Update the affected packages.

See Also

https://errata.rockylinux.org/RLSA-2026:4024

https://bugzilla.redhat.com/show_bug.cgi?id=2439324

https://bugzilla.redhat.com/show_bug.cgi?id=2439325

https://bugzilla.redhat.com/show_bug.cgi?id=2439326

Plugin Details

Severity: High

ID: 301539

File Name: rocky_linux_RLSA-2026-4024.nasl

Version: 1.1

Type: local

Published: 3/9/2026

Updated: 3/9/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-2006

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:pgaudit, p-cpe:/a:rocky:linux:pgaudit-debuginfo, p-cpe:/a:rocky:linux:pg_repack, p-cpe:/a:rocky:linux:postgres-decoderbufs-debuginfo, p-cpe:/a:rocky:linux:postgres-decoderbufs-debugsource, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:pgaudit-debugsource, p-cpe:/a:rocky:linux:postgres-decoderbufs, p-cpe:/a:rocky:linux:pg_repack-debugsource, p-cpe:/a:rocky:linux:pg_repack-debuginfo

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/9/2026

Vulnerability Publication Date: 2/12/2026

Reference Information

CVE: CVE-2026-2004, CVE-2026-2005, CVE-2026-2006