Detections
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AlmaLinux 9 : apr-util (ALSA-2026:66341)

critical Nessus Plugin ID 344578

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:66341 advisory.

 * 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)

Tenable has extracted the preceding description block directly from the AlmaLinux 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.

See Also

https://access.redhat.com/errata/RHSA-2026:66341

https://errata.almalinux.org/9/ALSA-2026-66341.html

Plugin Details

Severity: Critical

ID: 344578

File Name: alma_linux_ALSA-2026-66341.nasl

Version: 1.1

Type: Local

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

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:alma:linux:9, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::baseos, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:apr-util-bdb, p-cpe:/a:alma:linux:apr-util-devel, p-cpe:/a:alma:linux:apr-util-ldap, p-cpe:/a:alma:linux:apr-util-mysql, p-cpe:/a:alma:linux:apr-util-odbc, p-cpe:/a:alma:linux:apr-util-openssl, p-cpe:/a:alma:linux:apr-util-pgsql, p-cpe:/a:alma:linux:apr-util-sqlite, p-cpe:/a:alma:linux:apr-util

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

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: 2026:66341