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Linux Distros Unpatched Vulnerability : CVE-2026-89162

low Nessus Plugin ID 344744

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe. (CVE-2026-89162)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-89162

https://ubuntu.com/security/CVE-2026-89162

Plugin Details

Severity: Low

ID: 344744

File Name: unpatched_CVE_2026_89162.nasl

Version: 1.5

Type: Local

Agent: unix

Family: Misc.

Published: 9/11/2026

Updated: 9/17/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.5

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

CVSS Score Source: CVE-2026-89162

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 3.2

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:pcre2, p-cpe:/a:centos:centos:galera, p-cpe:/a:centos:centos:judy, p-cpe:/a:centos:centos:mariadb-backup, p-cpe:/a:centos:centos:mariadb-client-utils, p-cpe:/a:centos:centos:mariadb-common, p-cpe:/a:centos:centos:mariadb-devel, p-cpe:/a:centos:centos:mariadb-embedded-devel, p-cpe:/a:centos:centos:mariadb-embedded, p-cpe:/a:centos:centos:mariadb-errmsg, p-cpe:/a:centos:centos:mariadb-gssapi-server, p-cpe:/a:centos:centos:mariadb-oqgraph-engine, p-cpe:/a:centos:centos:mariadb-pam, p-cpe:/a:centos:centos:mariadb-server-galera, p-cpe:/a:centos:centos:mariadb-server-utils, p-cpe:/a:centos:centos:mariadb-server, p-cpe:/a:centos:centos:mariadb-test, p-cpe:/a:centos:centos:mariadb10.11, p-cpe:/a:centos:centos:mariadb11.8-backup, p-cpe:/a:centos:centos:mariadb11.8-client-utils, p-cpe:/a:centos:centos:mariadb11.8-common, p-cpe:/a:centos:centos:mariadb11.8-devel, p-cpe:/a:centos:centos:mariadb11.8-embedded-devel, p-cpe:/a:centos:centos:mariadb11.8-embedded, p-cpe:/a:centos:centos:mariadb11.8-errmsg, p-cpe:/a:centos:centos:mariadb11.8-gssapi-server, p-cpe:/a:centos:centos:mariadb11.8-oqgraph-engine, p-cpe:/a:centos:centos:mariadb11.8-pam, p-cpe:/a:centos:centos:mariadb11.8-server-galera, p-cpe:/a:centos:centos:mariadb11.8-server-utils, p-cpe:/a:centos:centos:mariadb11.8-server, p-cpe:/a:centos:centos:mariadb11.8-test, p-cpe:/a:centos:centos:mariadb11.8, p-cpe:/a:centos:centos:mariadb, p-cpe:/a:redhat:enterprise_linux:galera, p-cpe:/a:redhat:enterprise_linux:judy, p-cpe:/a:redhat:enterprise_linux:mariadb-backup, p-cpe:/a:redhat:enterprise_linux:mariadb-client-utils, p-cpe:/a:redhat:enterprise_linux:mariadb-common, p-cpe:/a:redhat:enterprise_linux:mariadb-devel, p-cpe:/a:redhat:enterprise_linux:mariadb-embedded-devel, p-cpe:/a:redhat:enterprise_linux:mariadb-embedded, p-cpe:/a:redhat:enterprise_linux:mariadb-errmsg, p-cpe:/a:redhat:enterprise_linux:mariadb-gssapi-server, p-cpe:/a:redhat:enterprise_linux:mariadb-oqgraph-engine, p-cpe:/a:redhat:enterprise_linux:mariadb-pam, p-cpe:/a:redhat:enterprise_linux:mariadb-server-galera, p-cpe:/a:redhat:enterprise_linux:mariadb-server-utils, p-cpe:/a:redhat:enterprise_linux:mariadb-server, p-cpe:/a:redhat:enterprise_linux:mariadb-test, p-cpe:/a:redhat:enterprise_linux:mariadb10.11, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-backup, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-client-utils, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-common, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-devel, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-embedded-devel, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-embedded, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-errmsg, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-gssapi-server, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-oqgraph-engine, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-pam, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-server-galera, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-server-utils, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-server, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-test, p-cpe:/a:redhat:enterprise_linux:mariadb11.8, p-cpe:/a:redhat:enterprise_linux:mariadb

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 9/11/2026

Reference Information

CVE: CVE-2026-89162