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SUSE SLES15 Security Update : squid (SUSE-SU-2026:4909-1)

critical Nessus Plugin ID 372261

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4909-1 advisory.

 - CVE-2023-5824: Multiple issues in HTTP response caching (bsc#1216496).
 - CVE-2023-49288: Use-After-Free in the HTTP Collapsed Forwarding Feature (bsc#1217825).
 - CVE-2025-62168: failure to redact HTTP authentication credentials in error handling leads to the disclosure of credentials a trusted client uses to authenticate (bsc#1252281).
 - CVE-2026-32748: denial of service in ICP Request handling (bsc#1260453).
 - CVE-2026-33515: out of bounds read in ICP message handling (bsc#1260454).
 - CVE-2026-33526: denial of service in ICP Request handling (bsc#1260452).
 - CVE-2026-47729: out-of-bounds read attack against the ftp gateway due to a improper validation of syntactic correctness of input (bsc#1268272).
 - CVE-2026-50012: Improper Input Validation bug (bsc#1268320).

Tenable has extracted the preceding description block directly from the SUSE 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 squid package.

See Also

https://bugzilla.suse.com/1216496

https://bugzilla.suse.com/1217825

https://bugzilla.suse.com/1223329

https://bugzilla.suse.com/1228150

https://bugzilla.suse.com/1252281

https://bugzilla.suse.com/1260452

https://bugzilla.suse.com/1260453

https://bugzilla.suse.com/1260454

https://bugzilla.suse.com/1268272

https://bugzilla.suse.com/1268320

https://www.suse.com/security/cve/CVE-2023-49288

https://www.suse.com/security/cve/CVE-2023-5824

https://www.suse.com/security/cve/CVE-2025-62168

https://www.suse.com/security/cve/CVE-2026-32748

https://www.suse.com/security/cve/CVE-2026-33515

https://www.suse.com/security/cve/CVE-2026-33526

https://www.suse.com/security/cve/CVE-2026-47729

https://www.suse.com/security/cve/CVE-2026-50012

http://www.nessus.org/u?db1e8aa3

Plugin Details

Severity: Critical

ID: 372261

File Name: suse_SU-2026-4909-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/27/2026

Updated: 10/27/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6

Percentile: 96.21

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-50012

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

CVSS Score Source: CVE-2026-33515

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

CVSS Score Source: CVE-2026-33526

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:squid

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/26/2026

Vulnerability Publication Date: 11/3/2023

Reference Information

CVE: CVE-2023-49288, CVE-2023-5824, CVE-2025-62168, CVE-2026-32748, CVE-2026-33515, CVE-2026-33526, CVE-2026-47729, CVE-2026-50012

IAVB: 2026-B-0076-S, 2026-B-0165-S

SuSE: SUSE-SU-2026:4909-1