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RHEL 9 : redis (RHSA-2025:18996)

critical Nessus Plugin ID 271261

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Synopsis

The remote Red Hat host is missing one or more security updates for redis.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:18996 advisory.

 Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log.

 Security Fix(es):

 * redis: Lua library commands may lead to integer overflow and potential RCE (CVE-2025-46817)

 * Redis: Redis Lua Use-After-Free may lead to remote code execution (CVE-2025-49844)

 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 redis package based on the guidance in RHSA-2025:18996.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2401258

https://bugzilla.redhat.com/show_bug.cgi?id=2401324

http://www.nessus.org/u?5b486534

https://access.redhat.com/errata/RHSA-2025:18996

Plugin Details

Severity: Critical

ID: 271261

File Name: redhat-RHSA-2025-18996.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/23/2025

Updated: 10/23/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2025-46817

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.9

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

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

CVSS Score Source: CVE-2025-49844

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:redis, p-cpe:/a:redhat:enterprise_linux:redis-devel, p-cpe:/a:redhat:enterprise_linux:redis-doc, cpe:/o:redhat:rhel_eus:9.4

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/23/2025

Vulnerability Publication Date: 10/3/2025

Reference Information

CVE: CVE-2025-46817, CVE-2025-49844

CWE: 190, 416

RHSA: 2025:18996