Rocky Linux 8 [CIQ] Security Update: pcre2 / pcre2-debuginfo / pcre2-debugsource / pcre2-devel / etc Multiple Vulnerabilities (crlsa-2026_81613)

high Nessus Plugin ID 366052

Synopsis

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

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_81613 advisory.

* pcre2: PCRE2: Out-of-bounds write allows arbitrary code execution via crafted regular expressions (CVE-2026-86145)

* pcre2: PCRE2: Out-of-bounds write via large pattern input (CVE-2026-89157)

* PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms (CVE-2026-89158)

* pcre2: pcre2: Out-of-bounds write via crafted regular expression (CVE-2026-103111)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_81613.

See Also

https://access.redhat.com/errata/RHSA-2026:81613

https://bugzilla.redhat.com/show_bug.cgi?id=2528993

https://bugzilla.redhat.com/show_bug.cgi?id=2531744

https://bugzilla.redhat.com/show_bug.cgi?id=2531746

https://bugzilla.redhat.com/show_bug.cgi?id=2543797

https://errata.build.resf.org/RLSA-2026:81613

http://www.nessus.org/u?251d20e7

http://www.nessus.org/u?76e3e6a0

Plugin Details

Severity: High

ID: 366052

File Name: ciq_rocky_linux_8_crlsa-2026_81613.nasl

Version: 1.1

Type: Local

Published: 10/15/2026

Updated: 10/15/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Percentile: 95.85

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-89157

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.7

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

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

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/14/2026

Vulnerability Publication Date: 9/5/2026

Reference Information

CVE: CVE-2026-103111, CVE-2026-86145, CVE-2026-89157, CVE-2026-89158