Rocky Linux 9 [CIQ] Security Update: pcre2 / pcre2-debuginfo / pcre2-debugsource / pcre2-devel / etc Multiple Vulnerabilities (crlsa-2026_81532)

high Nessus Plugin ID 366051

Synopsis

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

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_81532 advisory.

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

* PCRE2: PCRE2: Out-of-bounds read via invalid UTF data during JIT fallback (CVE-2026-89156)

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

* pcre2: PCRE2: Denial of Service via out-of-bounds read during invalid UTF matching (CVE-2026-89160)

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

* pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match (CVE-2026-89161)

* 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_81532.

See Also

https://access.redhat.com/errata/RHSA-2026:81532

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

https://bugzilla.redhat.com/show_bug.cgi?id=2531743

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

https://bugzilla.redhat.com/show_bug.cgi?id=2531745

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

https://bugzilla.redhat.com/show_bug.cgi?id=2531747

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

https://errata.build.resf.org/RLSA-2026:81532

http://www.nessus.org/u?87dd012d

http://www.nessus.org/u?9fb6466d

Plugin Details

Severity: High

ID: 366051

File Name: ciq_rocky_linux_9_crlsa-2026_81532.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: 7.8

Temporal Score: 7

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

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

CVSS Score Source: CVE-2026-89161

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-2026-89156, CVE-2026-89157, CVE-2026-89158, CVE-2026-89160, CVE-2026-89161