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CentOS Linux 7 [TuxCare] Security Update: squid / squid-migration-script / squid-sysvinit Multiple Vulnerabilities (CENTOS7:CLSA-2025:1764281284)

critical Nessus Plugin ID 351760

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Synopsis

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

Description

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2025:1764281284 advisory.

 - SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.
 (CVE-2023-46846)

 - Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validation, Premature Release of Resource During Expected Lifetime, and Missing Release of Resource after Effective Lifetime bugs, Squid is vulnerable to Denial of Service attacks by a trusted server against all clients using the proxy. This bug is fixed in the default build configuration of Squid version 6.10.
 (CVE-2024-45802)

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 TuxCare advisory CENTOS7:CLSA-2025:1764281284.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2025:1764281284

http://www.nessus.org/u?7b528ee5

Plugin Details

Severity: Critical

ID: 351760

File Name: tuxcare_centos_7_CLSA-2025-1764281284.nasl

Version: 1.2

Type: Local

Agent: unix

Published: 9/30/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.7

Percentile: 96.49

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-28651

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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-2025-54574

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/27/2025

Vulnerability Publication Date: 11/2/2023

Reference Information

CVE: CVE-2021-28651, CVE-2023-46846, CVE-2024-45802, CVE-2025-54574, CVE-2025-62168

CLSA: 2025:1764281284