CentOS Linux 7 [TuxCare] Security Update: pcre2 / pcre2-devel / pcre2-static / pcre2-tools / pcre2-utf16 / etc (CENTOS7:CLSA-2026:1789483647)

medium Nessus Plugin ID 352482

Synopsis

The CentOS Linux host is missing one or more security updates.

Description

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1789483647 advisory.

- PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of- bounds write. (CVE-2026-89158)

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 based on the guidance in TuxCare advisory CENTOS7:CLSA-2026:1789483647.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1789483647

http://www.nessus.org/u?ed1bebef

Plugin Details

Severity: Medium

ID: 352482

File Name: tuxcare_centos_7_CLSA-2026-1789483647.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.47

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2026-89158

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2026

Vulnerability Publication Date: 9/11/2026

Reference Information

CVE: CVE-2026-89158

CLSA: 2026:1789483647