Detections
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Oracle Linux 10 : ELSA-2026-66392-0: / apr-util (ELSA-2026-663920)

critical Nessus Plugin ID 344654

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-663920 advisory.

 - Resolves: RHEL-236629 - apr-util: Apache Portable Runtime Utility: Information disclosure via timing attack in password validation (CVE-2025-49506)
 - Resolves: RHEL-236264 - apr-util: Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client (CVE-2026-34502)
 - Resolves: RHEL-236469 - apr-util: Apache Portable Runtime Utility: Heap buffer overflow in redis client (CVE-2026-34501)

Tenable has extracted the preceding description block directly from the Oracle 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 affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-66392-0.html

Plugin Details

Severity: Critical

ID: 344654

File Name: oraclelinux_ELSA-2026-663920.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/10/2026

Updated: 9/10/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, 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:oracle:linux:10, p-cpe:/a:oracle:linux:apr-util-devel, p-cpe:/a:oracle:linux:apr-util-ldap, p-cpe:/a:oracle:linux:apr-util-lmdb, p-cpe:/a:oracle:linux:apr-util-mysql, p-cpe:/a:oracle:linux:apr-util-odbc, p-cpe:/a:oracle:linux:apr-util-openssl, p-cpe:/a:oracle:linux:apr-util-pgsql, p-cpe:/a:oracle:linux:apr-util-sqlite, p-cpe:/a:oracle:linux:apr-util

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

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