CentOS Linux 7.9 [CIQ] Security Update: squid / squid-debuginfo / squid-migration-script / squid-sysvinit Multiple Vulnerabilities (ciqsa-2026_0740)

high Nessus Plugin ID 357098

Synopsis

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

Description

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_0740 advisory.

This advisory aggregates security fixes for the squid SRPM in CIQ CentOS Bridge 7.9. It addresses 7 CVEs:
CVE-2021-28651, CVE-2021-31807, CVE-2021-28652, CVE-2021-31806, CVE-2024-45802, and 2 more.

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory ciqsa-2026_0740.

See Also

https://github.com/ctrliq/advisories

http://www.nessus.org/u?049585f7

http://www.nessus.org/u?6350434c

http://www.nessus.org/u?9da4a3bb

http://www.nessus.org/u?cdad1530

http://www.nessus.org/u?d5fc0e67

http://www.nessus.org/u?d6d6a20d

http://www.nessus.org/u?f9d87899

http://www.nessus.org/u?fef30f75

Plugin Details

Severity: High

ID: 357098

File Name: ciq_centos_7_9_ciqsa-2026_0740.nasl

Version: 1.2

Type: Local

Agent: unix

Published: 10/1/2026

Updated: 10/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

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: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS Score Source: CVE-2024-45802

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/1/2026

Vulnerability Publication Date: 5/27/2021

Reference Information

CVE: CVE-2021-28651, CVE-2021-28652, CVE-2021-31806, CVE-2021-31807, CVE-2021-31808, CVE-2021-33620, CVE-2024-45802