RHEL 10 : apr-util (RHSA-2026:66392)

critical Nessus Plugin ID 344580

Synopsis

The remote Red Hat host is missing one or more security updates for apr-util.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:66392 advisory.

The mission of the Apache Portable Runtime (APR) is to provide a free library of C data structures and routines. This library contains additional utility interfaces for APR; including support for XML, LDAP, database interfaces, URI parsing and more.

Security Fix(es):

* apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client (CVE-2026-34501)

* apr-util: Apache Portable Runtime Utility: Information disclosure via timing attack in password validation (CVE-2025-49506)

* apr-util: Apache Portable Runtime Utility: Denial of Service via XML stack recursion attack (CVE-2026-32327)

* apr-util: Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client (CVE-2026-34502)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 RHEL apr-util package based on the guidance in RHSA-2026:66392.

Plugin Details

Severity: Critical

ID: 344580

File Name: redhat-RHSA-2026-66392.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/10/2026

Updated: 9/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.62

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-32327

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.2, p-cpe:/a:redhat:enterprise_linux:apr-util-devel, p-cpe:/a:redhat:enterprise_linux:apr-util-ldap, p-cpe:/a:redhat:enterprise_linux:apr-util-lmdb, p-cpe:/a:redhat:enterprise_linux:apr-util-mysql, p-cpe:/a:redhat:enterprise_linux:apr-util-odbc, p-cpe:/a:redhat:enterprise_linux:apr-util-openssl, p-cpe:/a:redhat:enterprise_linux:apr-util-pgsql, p-cpe:/a:redhat:enterprise_linux:apr-util-sqlite, p-cpe:/a:redhat:enterprise_linux:apr-util

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 9/10/2026

Vulnerability Publication Date: 8/6/2026

Reference Information

CVE: CVE-2025-49506, CVE-2026-32327, CVE-2026-34501, CVE-2026-34502

CWE: 120, 208, 776

RHSA: 2026:66392

Detections

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