Detections
Analytics
Alibaba Cloud Linux 3 : 0059: postgresql:13 (ALINUX3-SA-2026:0059)
high Nessus Plugin ID 303437
Synopsis
The remote Alibaba Cloud Linux host is missing one or more security updates.Description
The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0059 advisory.Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:
CVE-2026-2004:
Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
CVE-2026-2005:
Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
CVE-2026-2006:
Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux 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
http://mirrors.aliyun.com/alinux/3/cve/alinux3-sa-20260059.xml
Plugin Details
Severity: High
ID: 303437
File Name: alinux3_sa_2026-0059.nasl
Version: 1.1
Type: local
Published: 3/24/2026
Updated: 3/24/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
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: cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-pltcl, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-plperl, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-server-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-upgrade-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-plpython3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-server, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-static, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-test-rpm-macros, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-upgrade, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-test, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-contrib, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:postgresql-docs
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Alibaba/release, Host/Alibaba/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 3/19/2026
Vulnerability Publication Date: 2/12/2026